No problem.
Here the complete results from the tests available in libcgroups :
---
grep: @abs_top_srcdir@/config.h: Aucun fichier ou dossier de ce type
Running first set of testcases
==============================
TEST 1:PASS : cgroup_init() Ret Value = 50001
Warning: libcgroup is not initialized
TEST 2:PASS : cgroup_attach_task() Ret Value = 50014 Parameter nullcgroup
TEST 3:PASS : cgroup_new_cgroup() Ret Value = 0
TEST 4:PASS : cgroup_create_cgroup() Ret Value = 50014
TEST 5:PASS : cgroup_delete_cgroup() Ret Value = 50014
TEST 6:PASS : cgroup_create_cgroup() Ret Value = 50014
TEST 7:PASS : cgroup_delete_cgroup() Ret Value = 50014
TEST 8:PASS : cgroup_add_controller() Ret Value = 0
TEST 9:PASS : cgroup_add_controller() Ret Value = 0
TEST10:PASS : cgroup_add_controller() Ret Value = 0
Running second set of testcases
==============================
sanity check pass. cgroup
TEST 1:PASS : cgroup_attach_task() Ret Value = 50014 Parameter nullcgroup
found cpu in rw,relatime,memory,cpu
Found cgroup option rw,relatime,memory,cpu, count 0
found memory in rw,relatime,memory,cpu
Found cgroup option rw,relatime,memory,cpu, count 1
TEST 2:PASS : cgroup_init() Ret Value = 0
TEST 3:PASS : cgroup_attach_task() Ret Value = 0 Task found in group/s
Warning: cannot write tid -1 to /dev/cgroup_controllers-1//tasks:Invalid
argument
TEST 4:PASS : cgroup_attach_task_pid() Ret Value = 50016
TEST 5:PASS : cgroup_new_cgroup() Ret Value = 0
setting /dev/cgroup_controllers-1/group1/cpu.shares to "260000", pathlen 43
TEST 6:PASS : cgroup_create_cgroup() Ret Value = 0 group found in filesystem
TEST 7:PASS : cgroup_attach_task() Ret Value = 0 Task found in group/s
TEST 8:PASS : cgroup_modify_cgroup() Ret Value = 0 Parameter same cgroup
TEST 9:PASS : cgroup_new_cgroup() Ret Value = 0
TEST10:PASS : cgroup_modify_cgroup() Ret Value = 0
TEST11:PASS : cgroup_modify_cgroup() Ret Value = 50007
TEST12:PASS : cgroup_new_cgroup() Ret Value = 0
TEST13:PASS : cgroup_modify_cgroup() Ret Value = 0
TEST14:PASS : cgroup_get_cgroup() Ret Value = 50007 Parameter nullcgroup
TEST15:PASS : cgroup_get_cgroup() Ret Value = 50002 Parameter not created
group
TEST16:PASS : cgroup_get_cgroup() Ret Value = 0
TEST 0:PASS : cgroup_new_cgroup() Ret Value = 0
setting /dev/cgroup_controllers-1/group_a/cpu.shares to "260000", pathlen 44
TEST 0:PASS : cgroup_create_cgroup() Ret Value = 0 group found in filesystem
*TEST17:FAIL* : cgroup_get_cgroup() Ret Value = 50017
path is /dev/cgroup_controllers-1/group_a/
parent's name is /dev/cgroup_controllers-1/group_a//..
group name is group_a
parent's group name is .
Removing group cpu:group_a
TEST 0:PASS : cgroup_delete_cgroup() Ret Value = 0 Group deleted from
filesystem
path is /dev/cgroup_controllers-1/group1/
parent's name is /dev/cgroup_controllers-1/group1//..
group name is group1
parent's group name is .
Removing group cpu:group1
TEST16:PASS : cgroup_delete_cgroup() Ret Value = 0 Group deleted from
filesystem
TEST17:PASS : cgroup_create_cgroup() Ret Value = 50007
TEST18:PASS : cgroup_delete_cgroup() Ret Value = 50007
TEST19:PASS : cgroup_compare_cgroup() Ret Value = 50011 Parameter nullcgroup
TEST20:PASS : cgroup_compare_cgroup() Ret Value = 0
TEST21:PASS : cgroup_compare_cgroup() Ret Value = 50017
Cleanup done
Running third set of testcases
==============================
sanity check pass. cgroup
found cpu in rw,relatime,cpu
Found cgroup option rw,relatime,cpu, count 0
found memory in rw,relatime,memory
Found cgroup option rw,relatime,memory, count 1
TEST 1:PASS : cgroup_init() Ret Value = 0
TEST 2:PASS : cgroup_attach_task() Ret Value = 0 Task found in group/s
TEST 3:PASS : cgroup_new_cgroup() Ret Value = 0
setting /dev/cgroup_controllers-1/ctl1_group1/cpu.shares to "260000",
pathlen 48
TEST 4:PASS : cgroup_create_cgroup() Ret Value = 0 group found in filesystem
TEST 5:PASS : cgroup_new_cgroup() Ret Value = 0
setting /dev/cgroup_controllers-2/ctl2_group1/memory.limit_in_bytes to
"7000064", pathlen 59
TEST 6:PASS : cgroup_create_cgroup() Ret Value = 0 group found in filesystem
setting /dev/cgroup_controllers-2/ctl2_group1/memory.limit_in_bytes to
"7000064", pathlen 59
TEST 7:PASS : cgroup_create_cgroup() Ret Value = 0 group found in filesystem
TEST 8:PASS : cgroup_attach_task() Ret Value = 0 Task found in group/s
TEST 9:PASS : cgroup_attach_task() Ret Value = 0 Task found in group/s
TEST10:PASS : cgroup_new_cgroup() Ret Value = 0
TEST11:PASS : cgroup_attach_task() Ret Value = 50002 Parameter not created
group
TEST12:PASS : cgroup_new_cgroup() Ret Value = 0
TEST13:PASS : cgroup_modify_cgroup() Ret Value = 0
TEST14:PASS : cgroup_new_cgroup() Ret Value = 0
TEST15:PASS : cgroup_modify_cgroup() Ret Value = 0
path is /dev/cgroup_controllers-1/ctl1_group1/
parent's name is /dev/cgroup_controllers-1/ctl1_group1//..
group name is ctl1_group1
parent's group name is .
Removing group cpu:ctl1_group1
TEST16:PASS : cgroup_delete_cgroup() Ret Value = 0 Group deleted from
filesystem
path is /dev/cgroup_controllers-2/ctl2_group1/
parent's name is /dev/cgroup_controllers-2/ctl2_group1//..
group name is ctl2_group1
parent's group name is .
Removing group memory:ctl2_group1
TEST17:PASS : cgroup_delete_cgroup() Ret Value = 0 Group deleted from
filesystem
TEST18:PASS : cgroup_new_cgroup() Ret Value = 0
setting /dev/cgroup_controllers-1/commongroup/cpu.shares to "260000",
pathlen 48
TEST19:PASS : cgroup_create_cgroup() Ret Value = 0 group found under both
controllers
TEST20:PASS : cgroup_attach_task() Ret Value = 0 Task found in group/s
TEST21:PASS : cgroup_new_cgroup() Ret Value = 0
TEST22:PASS : cgroup_modify_cgroup() Ret Value = 0 group modified under
both controllers
path is /dev/cgroup_controllers-1/commongroup/
parent's name is /dev/cgroup_controllers-1/commongroup//..
group name is commongroup
parent's group name is .
Removing group cpu:commongroup
path is /dev/cgroup_controllers-2/commongroup/
parent's name is /dev/cgroup_controllers-2/commongroup//..
group name is commongroup
parent's group name is .
Removing group memory:commongroup
TEST23:PASS : cgroup_delete_cgroup() Ret Value = 0 Group deleted from
filesystem
TEST 0:PASS : cgroup_new_cgroup() Ret Value = 0
TEST24:PASS : cgroup_cgroup_add_controller() Ret Value = 0
setting /dev/cgroup_controllers-1/group_a/cpu.shares to "260000", pathlen 44
TEST 0:PASS : cgroup_create_cgroup() Ret Value = 0 group found in filesystem
*TEST25:FAIL* : cgroup_get_cgroup() Ret Value = 50018
path is /dev/cgroup_controllers-1/group_a/
parent's name is /dev/cgroup_controllers-1/group_a//..
group name is group_a
parent's group name is .
Removing group cpu:group_a
path is /dev/cgroup_controllers-2/group_a/
parent's name is /dev/cgroup_controllers-2/group_a//..
group name is group_a
parent's group name is .
Removing group memory:group_a
TEST 0:PASS : cgroup_delete_cgroup() Ret Value = 0 Group deleted from
filesystem
Cleanup done
---
Also, I have done this test program (also attached) :
---
#include <iostream>
#include <unistd.h>
#include <libcgroup.h>
#define USE_CPU 0
#define USE_BLKIO 0
#define USE_MEMORY 0
#define CGROUP_CONF_FILE "./cgconfig.conf"
int main()
{
int err = 0;
cgroup* group0 = NULL;
cgroup_controller* grp0_cpu_ctrl = NULL;
cgroup_controller* grp0_memory_ctrl = NULL;
cgroup_controller* grp0_blkio_ctrl = NULL;
cgroup_controller* grp0_freezer_ctrl = NULL;
cgroup* group1 = NULL;
cgroup_controller* grp1_cpu_ctrl = NULL;
cgroup_controller* grp1_memory_ctrl = NULL;
cgroup_controller* grp1_blkio_ctrl = NULL;
cgroup_controller* grp1_freezer_ctrl = NULL;
unsigned int i = 0;
char* freezerValue = NULL;
int64_t cpuValue = 0;
uint64_t memoryValue = 0;
#if USE_CPU
fprintf(stdout, "Use cpu controller\n");
#endif
#if USE_BLKIO
fprintf(stdout, "Use blkio controller\n");
#endif
#if USE_MEMORY
fprintf(stdout, "Use memory controller\n");
#endif
err = cgroup_config_load_config (CGROUP_CONF_FILE);
if(err != 0)
{
fprintf(stderr,"Error with cgroup_load_config() function :
%s\n",cgroup_strerror(err));
exit(EXIT_FAILURE);
}
err = cgroup_init();
if(err != 0)
{
fprintf(stderr,"Error with cgroup_init() function :
%s\n",cgroup_strerror(err));
goto unload;
}
// Create groups
group0 = cgroup_new_cgroup ("grp_0");
if ( group0 == NULL )
{
fprintf(stderr,"Error with cgroup_new_cgroup('grp_0') function :
%s\n",cgroup_strerror(err));
goto clean_groups;
}
// Place controler
// Group 0
#if USE_CPU
grp0_cpu_ctrl = cgroup_add_controller (group0,"cpu" );
if (grp0_cpu_ctrl == NULL )
{
fprintf(stderr,"Error with cgroup_add_controller(group0,'cpu')
function : %s\n",cgroup_strerror(err));
goto clean_ctrl;
}
#endif
#if USE_BLKIO
grp0_blkio_ctrl = cgroup_add_controller (group0, "blkio");
if (grp0_blkio_ctrl == NULL )
{
fprintf(stderr,"Error with cgroup_add_controller(group0,'blkio')
function : %s\n",cgroup_strerror(err));
goto clean_ctrl;
}
#endif
grp0_freezer_ctrl = cgroup_add_controller (group0, "freezer");
if (grp0_freezer_ctrl == NULL )
{
fprintf(stderr,"Error with cgroup_add_controller(group0,'freezer')
function : %s\n",cgroup_strerror(err));
goto clean_ctrl;
}
#if USE_MEMORY
grp0_memory_ctrl = cgroup_add_controller (group0, "memory");
if (grp0_memory_ctrl == NULL )
{
fprintf(stderr,"Error with cgroup_add_controller(group0,'memory')
function : %s\n",cgroup_strerror(err));
goto clean_ctrl;
}
#endif
// Physically add cgroups
err = cgroup_create_cgroup (group0, 0);
if(err != 0)
{
fprintf(stderr,"Error with cgroup_create_cgroup(group0) function :
%s\n",cgroup_strerror(err));
goto delete_groups;
}
group1 = cgroup_new_cgroup("grp_1");
if ( group1 == NULL )
{
fprintf(stderr,"Error with cgroup_new_cgroup('grp_0') function :
%s\n",cgroup_strerror(err));
goto clean_groups;
}
// Group 1
#if USE_CPU
grp1_cpu_ctrl = cgroup_add_controller (group1,"cpu" );
if (grp1_cpu_ctrl == NULL )
{
fprintf(stderr,"Error with cgroup_add_controller(group1,'cpu')
function : %s\n",cgroup_strerror(err));
goto clean_ctrl;
}
#endif
#if USE_BLKIO
grp1_blkio_ctrl = cgroup_add_controller (group1, "blkio");
if (grp1_blkio_ctrl == NULL )
{
fprintf(stderr,"Error with cgroup_add_controller(group1,'blkio')
function : %s\n",cgroup_strerror(err));
goto clean_ctrl;
}
#endif
grp1_freezer_ctrl = cgroup_add_controller (group1, "freezer");
if (grp1_freezer_ctrl == NULL )
{
fprintf(stderr,"Error with cgroup_add_controller(group1,'freezer')
function : %s\n",cgroup_strerror(err));
goto clean_ctrl;
}
#if USE_MEMORY
grp1_memory_ctrl = cgroup_add_controller (group1, "memory");
if (grp1_memory_ctrl == NULL )
{
fprintf(stderr,"Error with cgroup_add_controller(group1,'memory')
function : %s\n",cgroup_strerror(err));
goto clean_ctrl;
}
#endif
err = cgroup_create_cgroup (group1, 0);
if(err != 0)
{
fprintf(stderr,"Error with cgroup_create_cgroup(group1) function :
%s\n",cgroup_strerror(err));
goto delete_groups;
}
// We can start playing with cgroups
for (i = 0 ; i < 10 ; i++)
{
err = cgroup_get_cgroup(group0);
if ( err != 0 )
{
fprintf(stderr,"Error with cgroup_get_cgroup(group0) function : %s
(error %d)\n",cgroup_strerror(err),err);
}
err = cgroup_get_value_string(grp0_freezer_ctrl, "freezer.state",
&freezerValue);
if ( err != 0 )
{
fprintf(stderr,"Error with cgroup_get_value_string(group0,
freezer.state) function : %s\n",cgroup_strerror(err));
}
fprintf(stdout,"FREEZER value group0 : %s\n",freezerValue);
free(freezerValue);
#if USE_CPU
err = cgroup_get_value_int64(grp0_cpu_ctrl, "cpu.shares", &cpuValue);
if ( err != 0 )
{
fprintf(stderr,"Error with cgroup_get_value_uint64(group0,
cpu.shares) function : %s\n",cgroup_strerror(err));
}
fprintf(stdout,"CPU value group0 : %ld\n",memoryValue);
#endif
#if USE_MEMORY
err = cgroup_get_value_uint64(grp0_memory_ctrl, "memory.failcnt",
&memoryValue);
if ( err != 0 )
{
fprintf(stderr,"Error with cgroup_get_value_uint64(group0,
memory.failcnt) function : %s\n",cgroup_strerror(err));
}
fprintf(stdout,"Memory value group0 : %ld\n",memoryValue);
err = cgroup_get_value_uint64(grp1_memory_ctrl, "memory.failcnt",
&memoryValue);
if ( err != 0 )
{
fprintf(stderr,"Error with cgroup_get_value_uint64(group1,
memory.failcnt) function : %s\n",cgroup_strerror(err));
}
fprintf(stdout,"Memory value group1 : %ld\n",memoryValue);
#endif
usleep(2000000);
}
delete_groups:
if (group1)
{
err = cgroup_delete_cgroup (group1, 0);
}
if (group0)
{
err = cgroup_delete_cgroup (group0, 0);
}
clean_ctrl:
clean_groups:
if (group1)
{
cgroup_free(&group1);
}
if (group0)
{
cgroup_free(&group0);
}
unload:
err = cgroup_config_unload_config(CGROUP_CONF_FILE,
CGFLAG_DELETE_IGNORE_MIGRATION);
if(err != 0)
{
fprintf(stderr,"Error with cgroup_config_unload_config() function :
%s\n",cgroup_strerror(err));
exit(EXIT_FAILURE);
}
return 0;
}
----
It outputs this :
----
found cpu in rw,relatime,cpu
Found cgroup option rw,relatime,cpu, count 0
found freezer in rw,relatime,freezer
Found cgroup option rw,relatime,freezer, count 1
creating all cgroups now, error=0
found cpu in rw,relatime,cpu
Found cgroup option rw,relatime,cpu, count 0
found freezer in rw,relatime,freezer
Found cgroup option rw,relatime,freezer, count 1
Changing ownership of /cgroup/freezer/grp_0/
chown: path is /cgroup/freezer/grp_0/
chown: seeing file /cgroup/freezer/grp_0/
chown: seeing file /cgroup/freezer/grp_0/freezer.state
chown: seeing file /cgroup/freezer/grp_0/cgroup.clone_children
chown: seeing file /cgroup/freezer/grp_0/cgroup.event_control
chown: seeing file /cgroup/freezer/grp_0/notify_on_release
chown: seeing file /cgroup/freezer/grp_0/cgroup.procs
chown: seeing file /cgroup/freezer/grp_0/tasks
chown: seeing file /cgroup/freezer/grp_0/
Warning: fts_read failed
chmod: path is /cgroup/freezer/grp_0/
chmod: seeing file /cgroup/freezer/grp_0/
chmod: seeing file /cgroup/freezer/grp_0/freezer.state
chmod: seeing file /cgroup/freezer/grp_0/cgroup.clone_children
chmod: seeing file /cgroup/freezer/grp_0/cgroup.event_control
chmod: seeing file /cgroup/freezer/grp_0/notify_on_release
chmod: seeing file /cgroup/freezer/grp_0/cgroup.procs
chmod: seeing file /cgroup/freezer/grp_0/
Changing ownership of /cgroup/freezer/grp_1/
chown: path is /cgroup/freezer/grp_1/
chown: seeing file /cgroup/freezer/grp_1/
chown: seeing file /cgroup/freezer/grp_1/freezer.state
chown: seeing file /cgroup/freezer/grp_1/cgroup.clone_children
chown: seeing file /cgroup/freezer/grp_1/cgroup.event_control
chown: seeing file /cgroup/freezer/grp_1/notify_on_release
chown: seeing file /cgroup/freezer/grp_1/cgroup.procs
chown: seeing file /cgroup/freezer/grp_1/tasks
chown: seeing file /cgroup/freezer/grp_1/
Warning: fts_read failed
chmod: path is /cgroup/freezer/grp_1/
chmod: seeing file /cgroup/freezer/grp_1/
chmod: seeing file /cgroup/freezer/grp_1/freezer.state
chmod: seeing file /cgroup/freezer/grp_1/cgroup.clone_children
chmod: seeing file /cgroup/freezer/grp_1/cgroup.event_control
chmod: seeing file /cgroup/freezer/grp_1/notify_on_release
chmod: seeing file /cgroup/freezer/grp_1/cgroup.procs
chmod: seeing file /cgroup/freezer/grp_1/
Error with cgroup_get_cgroup(group0) function : Cgroup invalid operation
(error 50011)
Error with cgroup_get_value_string(group0, freezer.state) function :
Cgroup, requested group parameter does not exist
FREEZER value group0 : (null)
Error with cgroup_get_value_string(group0, freezer.state) function :
Cgroup, requested group parameter does not exist
FREEZER value group0 : (null)
Error with cgroup_get_cgroup(group0) function : Cgroup invalid operation
(error 50011)
Error with cgroup_get_value_string(group0, freezer.state) function :
Cgroup, requested group parameter does not exist
FREEZER value group0 : (null)
Error with cgroup_get_value_string(group0, freezer.state) function :
Cgroup, requested group parameter does not exist
FREEZER value group0 : (null)
Error with cgroup_get_cgroup(group0) function : Cgroup invalid operation
(error 50011)
Error with cgroup_get_value_string(group0, freezer.state) function :
Cgroup, requested group parameter does not exist
FREEZER value group0 : (null)
Error with cgroup_get_value_string(group0, freezer.state) function :
Cgroup, requested group parameter does not exist
FREEZER value group0 : (null)
Error with cgroup_get_cgroup(group0) function : Cgroup invalid operation
(error 50011)
Error with cgroup_get_value_string(group0, freezer.state) function :
Cgroup, requested group parameter does not exist
FREEZER value group0 : (null)
Error with cgroup_get_value_string(group0, freezer.state) function :
Cgroup, requested group parameter does not exist
FREEZER value group0 : (null)
Error with cgroup_get_cgroup(group0) function : Cgroup invalid operation
(error 50011)
Error with cgroup_get_value_string(group0, freezer.state) function :
Cgroup, requested group parameter does not exist
FREEZER value group0 : (null)
Error with cgroup_get_value_string(group0, freezer.state) function :
Cgroup, requested group parameter does not exist
FREEZER value group0 : (null)
path is /cgroup/freezer/grp_1/
parent's name is /cgroup/freezer/grp_1//..
group name is grp_1
parent's group name is .
Removing group freezer:grp_1
path is /cgroup/cpu/grp_0/
parent's name is /cgroup/cpu/grp_0//..
group name is grp_0
parent's group name is .
Removing group cpu:grp_0
path is /cgroup/freezer/grp_0/
parent's name is /cgroup/freezer/grp_0//..
group name is grp_0
parent's group name is .
Removing group freezer:grp_0
cgroup_config_unload_config: parsing ./cgconfig.conf
unmounting cpu
path is /
seeing file /cgroup/cpu/
seeing file /cgroup/cpu/grp_1
won't unmount cpu: hieararchy is not empty
unmounting freezer
path is /
seeing file /cgroup/freezer/
seeing file /cgroup/freezer/release_agent
seeing file /cgroup/freezer/cgroup.clone_children
seeing file /cgroup/freezer/cgroup.event_control
seeing file /cgroup/freezer/notify_on_release
seeing file /cgroup/freezer/cgroup.procs
seeing file /cgroup/freezer/tasks
seeing file /cgroup/freezer/
unmounting freezer at /cgroup/freezer
Error with cgroup_config_unload_config() function : Device or resource busy
----
And finally, the strace of this program.
Strangely, running the program in strace brings a different result.
----
execve("./test", ["./test"], [/* 17 vars */]) = 0
brk(0) = 0x237b000
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752b000
access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or
directory)
open("/etc/ld.so.cache", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0644, st_size=134190, ...}) = 0
mmap(NULL, 134190, PROT_READ, MAP_PRIVATE, 3, 0) = 0x7fdd5750a000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/x86_64-linux-gnu/librt.so.1", O_RDONLY) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\220!\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0644, st_size=31744, ...}) = 0
mmap(NULL, 2128856, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fdd57106000
mprotect(0x7fdd5710d000, 2093056, PROT_NONE) = 0
mmap(0x7fdd5730c000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6000) = 0x7fdd5730c000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/x86_64-linux-gnu/libpthread.so.0", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\\\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=131107, ...}) = 0
mmap(NULL, 2208672, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fdd56eea000
mprotect(0x7fdd56f01000, 2093056, PROT_NONE) = 0
mmap(0x7fdd57100000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16000) = 0x7fdd57100000
mmap(0x7fdd57102000, 13216, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fdd57102000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/usr/lib/x86_64-linux-gnu/libstdc++.so.6", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0@\6\6\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=991600, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd57509000
mmap(NULL, 3171520, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fdd56be3000
mprotect(0x7fdd56ccb000, 2097152, PROT_NONE) = 0
mmap(0x7fdd56ecb000, 40960, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xe8000) = 0x7fdd56ecb000
mmap(0x7fdd56ed5000, 83136, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fdd56ed5000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/x86_64-linux-gnu/libm.so.6", O_RDONLY) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\360>\0\0\0\0\0\0"..., 832)
= 832
fstat(3, {st_mode=S_IFREG|0644, st_size=530736, ...}) = 0
mmap(NULL, 2625768, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fdd56961000
mprotect(0x7fdd569e2000, 2093056, PROT_NONE) = 0
mmap(0x7fdd56be1000, 8192, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x80000) = 0x7fdd56be1000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/x86_64-linux-gnu/libgcc_s.so.1", O_RDONLY) = 3
read(3, "\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0p.\0\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0644, st_size=89056, ...}) = 0
mmap(NULL, 2184824, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fdd5674b000
mprotect(0x7fdd56760000, 2097152, PROT_NONE) = 0
mmap(0x7fdd56960000, 4096, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15000) = 0x7fdd56960000
close(3) = 0
access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or
directory)
open("/lib/x86_64-linux-gnu/libc.so.6", O_RDONLY) = 3
read(3,
"\177ELF\2\1\1\0\0\0\0\0\0\0\0\0\3\0>\0\1\0\0\0\300\357\1\0\0\0\0\0"...,
832) = 832
fstat(3, {st_mode=S_IFREG|0755, st_size=1603600, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd57508000
mmap(NULL, 3717176, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) =
0x7fdd563bf000
mprotect(0x7fdd56541000, 2097152, PROT_NONE) = 0
mmap(0x7fdd56741000, 20480, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x182000) = 0x7fdd56741000
mmap(0x7fdd56746000, 18488, PROT_READ|PROT_WRITE,
MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x7fdd56746000
close(3) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd57507000
mmap(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd57505000
arch_prctl(ARCH_SET_FS, 0x7fdd57505b40) = 0
mprotect(0x7fdd56741000, 16384, PROT_READ) = 0
mprotect(0x7fdd56be1000, 4096, PROT_READ) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd57504000
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd57503000
mprotect(0x7fdd56ecb000, 32768, PROT_READ) = 0
mprotect(0x7fdd57100000, 4096, PROT_READ) = 0
mprotect(0x7fdd5730c000, 4096, PROT_READ) = 0
mprotect(0x7fdd5752d000, 4096, PROT_READ) = 0
munmap(0x7fdd5750a000, 134190) = 0
set_tid_address(0x7fdd57505e10) = 8389
set_robust_list(0x7fdd57505e20, 0x18) = 0
futex(0x7fff3b48224c, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1,
NULL, 7fdd57505b40) = -1 EAGAIN (Resource temporarily unavailable)
rt_sigaction(SIGRTMIN, {0x7fdd56eefad0, [], SA_RESTORER|SA_SIGINFO,
0x7fdd56ef90a0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0x7fdd56eefb60, [],
SA_RESTORER|SA_RESTART|SA_SIGINFO, 0x7fdd56ef90a0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
futex(0x7fdd56ee79e4, FUTEX_WAKE_PRIVATE, 2147483647) = 0
futex(0x7fdd56ee79f0, FUTEX_WAKE_PRIVATE, 2147483647) = 0
brk(0) = 0x237b000
brk(0x239c000) = 0x239c000
open("./cgconfig.conf", O_RDONLY|O_CLOEXEC) = 3
mmap(NULL, 319488, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7fdd574b5000
mmap(NULL, 319488, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0)
= 0x7fdd57467000
ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff3b481710) = -1 ENOTTY
(Inappropriate ioctl for device)
fstat(3, {st_mode=S_IFREG|0644, st_size=184, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(3, "mount {\n# cpuset = /cgroup/cp"..., 8192) = 184
read(3, "", 4096) = 0
read(3, "", 8192) = 0
ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff3b481710) = -1 ENOTTY
(Inappropriate ioctl for device)
close(3) = 0
munmap(0x7fdd5752a000, 4096) = 0
stat("/cgroup/cpu", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
mount("cgroup", "/cgroup/cpu", "cgroup", 0, "cpu") = 0
stat("/cgroup/freezer", {st_mode=S_IFDIR|0755, st_size=4096, ...}) = 0
mount("cgroup", "/cgroup/freezer", "cgroup", 0, "freezer") = 0
open("/proc/cgroups", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(3, "#subsys_name\thierarchy\tnum_cgrou"..., 1024) = 168
read(3, "", 1024) = 0
open("/proc/mounts", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd57529000
read(4, "rootfs / rootfs rw 0 0\nsysfs /sy"..., 1024) = 1024
read(4, ",fd=13,pgrp=3146,timeout=300,min"..., 1024) = 162
fstat(1, {st_mode=S_IFCHR|0620, st_rdev=makedev(136, 12), ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd57528000
write(1, "found cpu in rw,relatime,cpu\n", 29) = 29
write(1, "Found cgroup option rw,relatime,"..., 45) = 45
write(1, "found freezer in rw,relatime,fre"..., 37) = 37
write(1, "Found cgroup option rw,relatime,"..., 49) = 49
read(4, "", 1024) = 0
close(3) = 0
munmap(0x7fdd5752a000, 4096) = 0
close(4) = 0
munmap(0x7fdd57529000, 4096) = 0
write(1, "creating all cgroups now, error="..., 34) = 34
munmap(0x7fdd574b5000, 319488) = 0
munmap(0x7fdd57467000, 319488) = 0
open("/proc/cgroups", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(3, "#subsys_name\thierarchy\tnum_cgrou"..., 1024) = 168
read(3, "", 1024) = 0
open("/proc/mounts", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd57529000
read(4, "rootfs / rootfs rw 0 0\nsysfs /sy"..., 1024) = 1024
read(4, ",fd=13,pgrp=3146,timeout=300,min"..., 1024) = 162
write(1, "found cpu in rw,relatime,cpu\n", 29) = 29
write(1, "Found cgroup option rw,relatime,"..., 45) = 45
write(1, "found freezer in rw,relatime,fre"..., 37) = 37
write(1, "Found cgroup option rw,relatime,"..., 49) = 49
read(4, "", 1024) = 0
close(3) = 0
munmap(0x7fdd5752a000, 4096) = 0
close(4) = 0
munmap(0x7fdd57529000, 4096) = 0
open("/proc/mounts", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(3, "rootfs / rootfs rw 0 0\nsysfs /sy"..., 1024) = 1024
read(3, ",fd=13,pgrp=3146,timeout=300,min"..., 1024) = 162
close(3) = 0
munmap(0x7fdd5752a000, 4096) = 0
mkdir("/cgroup", 0775) = -1 EEXIST (File exists)
mkdir("/cgroup/freezer", 0775) = -1 EEXIST (File exists)
mkdir("/cgroup/freezer/grp_0", 0775) = -1 EEXIST (File exists)
write(1, "Changing ownership of /cgroup/fr"..., 45) = 45
write(1, "chown: path is /cgroup/freezer/g"..., 38) = 38
lstat("/cgroup/freezer/grp_0/", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
write(1, "chown: seeing file /cgroup/freez"..., 42) = 42
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_0/", 0, 0) = 0
open("/cgroup/freezer/grp_0/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) =
3
getdents(3, /* 8 entries */, 32768) = 280
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "chown: seeing file /cgroup/freez"..., 55) = 55
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_0/freezer.state", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 63) = 63
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_0/cgroup.clone_children", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 62) = 62
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_0/cgroup.event_control", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 59) = 59
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_0/notify_on_release", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 54) = 54
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_0/cgroup.procs", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 47) = 47
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_0/tasks", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 42) = 42
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_0/", 0, 0) = 0
write(1, "Warning: fts_read failed\n", 25) = 25
write(1, "chmod: path is /cgroup/freezer/g"..., 38) = 38
lstat("/cgroup/freezer/grp_0/", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
write(1, "chmod: seeing file /cgroup/freez"..., 42) = 42
open("/cgroup/freezer/grp_0/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) =
3
getdents(3, /* 8 entries */, 32768) = 280
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "chmod: seeing file /cgroup/freez"..., 55) = 55
write(1, "chmod: seeing file /cgroup/freez"..., 63) = 63
write(1, "chmod: seeing file /cgroup/freez"..., 62) = 62
write(1, "chmod: seeing file /cgroup/freez"..., 59) = 59
write(1, "chmod: seeing file /cgroup/freez"..., 54) = 54
write(1, "chmod: seeing file /cgroup/freez"..., 42) = 42
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_0//tasks", 0, 0) = 0
open("/proc/mounts", O_RDONLY|O_CLOEXEC) = 3
fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(3, "rootfs / rootfs rw 0 0\nsysfs /sy"..., 1024) = 1024
read(3, ",fd=13,pgrp=3146,timeout=300,min"..., 1024) = 162
close(3) = 0
munmap(0x7fdd5752a000, 4096) = 0
mkdir("/cgroup", 0775) = -1 EEXIST (File exists)
mkdir("/cgroup/freezer", 0775) = -1 EEXIST (File exists)
mkdir("/cgroup/freezer/grp_1", 0775) = -1 EEXIST (File exists)
write(1, "Changing ownership of /cgroup/fr"..., 45) = 45
write(1, "chown: path is /cgroup/freezer/g"..., 38) = 38
lstat("/cgroup/freezer/grp_1/", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
write(1, "chown: seeing file /cgroup/freez"..., 42) = 42
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_1/", 0, 0) = 0
open("/cgroup/freezer/grp_1/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) =
3
getdents(3, /* 8 entries */, 32768) = 280
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "chown: seeing file /cgroup/freez"..., 55) = 55
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_1/freezer.state", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 63) = 63
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_1/cgroup.clone_children", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 62) = 62
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_1/cgroup.event_control", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 59) = 59
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_1/notify_on_release", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 54) = 54
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_1/cgroup.procs", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 47) = 47
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_1/tasks", 0, 0) = 0
write(1, "chown: seeing file /cgroup/freez"..., 42) = 42
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_1/", 0, 0) = 0
write(1, "Warning: fts_read failed\n", 25) = 25
write(1, "chmod: path is /cgroup/freezer/g"..., 38) = 38
lstat("/cgroup/freezer/grp_1/", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
write(1, "chmod: seeing file /cgroup/freez"..., 42) = 42
open("/cgroup/freezer/grp_1/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) =
3
getdents(3, /* 8 entries */, 32768) = 280
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "chmod: seeing file /cgroup/freez"..., 55) = 55
write(1, "chmod: seeing file /cgroup/freez"..., 63) = 63
write(1, "chmod: seeing file /cgroup/freez"..., 62) = 62
write(1, "chmod: seeing file /cgroup/freez"..., 59) = 59
write(1, "chmod: seeing file /cgroup/freez"..., 54) = 54
write(1, "chmod: seeing file /cgroup/freez"..., 42) = 42
getuid() = 0
getgid() = 0
chown("/cgroup/freezer/grp_1//tasks", 0, 0) = 0
access("/cgroup/cpu/grp_0", F_OK) = -1 ENOENT (No such file or
directory)
access("/cgroup/freezer/grp_0", F_OK) = 0
stat("/cgroup/freezer/grp_0//tasks", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
write(2, "Error with cgroup_get_cgroup(gro"..., 87) = 87
write(2, "Error with cgroup_get_value_stri"..., 118) = 118
write(1, "FREEZER value group0 : (null)\n", 30) = 30
nanosleep({2, 0}, NULL) = 0
access("/cgroup/cpu/grp_0", F_OK) = -1 ENOENT (No such file or
directory)
access("/cgroup/freezer/grp_0", F_OK) = 0
stat("/cgroup/freezer/grp_0//tasks", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
open("/cgroup/freezer/grp_0/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) =
3
getdents(3, /* 8 entries */, 32768) = 280
stat("/cgroup/freezer/grp_0/freezer.state", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
open("/cgroup/freezer/grp_0/freezer.state", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(4, "THAWED\n", 4096) = 7
read(4, "", 4096) = 0
close(4) = 0
munmap(0x7fdd5752a000, 4096) = 0
stat("/cgroup/freezer/grp_0/cgroup.clone_children", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/cgroup.event_control", {st_mode=S_IFREG|0222,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/notify_on_release", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/cgroup.procs", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/tasks", {st_mode=S_IFREG|0644, st_size=0, ...})
= 0
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "FREEZER value group0 : THAWED\n", 30) = 30
nanosleep({2, 0}, NULL) = 0
access("/cgroup/cpu/grp_0", F_OK) = -1 ENOENT (No such file or
directory)
access("/cgroup/freezer/grp_0", F_OK) = 0
stat("/cgroup/freezer/grp_0//tasks", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
write(2, "Error with cgroup_get_cgroup(gro"..., 87) = 87
write(2, "Error with cgroup_get_value_stri"..., 118) = 118
write(1, "FREEZER value group0 : (null)\n", 30) = 30
nanosleep({2, 0}, NULL) = 0
access("/cgroup/cpu/grp_0", F_OK) = -1 ENOENT (No such file or
directory)
access("/cgroup/freezer/grp_0", F_OK) = 0
stat("/cgroup/freezer/grp_0//tasks", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
open("/cgroup/freezer/grp_0/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) =
3
getdents(3, /* 8 entries */, 32768) = 280
stat("/cgroup/freezer/grp_0/freezer.state", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
open("/cgroup/freezer/grp_0/freezer.state", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(4, "THAWED\n", 4096) = 7
read(4, "", 4096) = 0
close(4) = 0
munmap(0x7fdd5752a000, 4096) = 0
stat("/cgroup/freezer/grp_0/cgroup.clone_children", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/cgroup.event_control", {st_mode=S_IFREG|0222,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/notify_on_release", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/cgroup.procs", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/tasks", {st_mode=S_IFREG|0644, st_size=0, ...})
= 0
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "FREEZER value group0 : THAWED\n", 30) = 30
nanosleep({2, 0}, NULL) = 0
access("/cgroup/cpu/grp_0", F_OK) = -1 ENOENT (No such file or
directory)
access("/cgroup/freezer/grp_0", F_OK) = 0
stat("/cgroup/freezer/grp_0//tasks", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
write(2, "Error with cgroup_get_cgroup(gro"..., 87) = 87
write(2, "Error with cgroup_get_value_stri"..., 118) = 118
write(1, "FREEZER value group0 : (null)\n", 30) = 30
nanosleep({2, 0}, NULL) = 0
access("/cgroup/cpu/grp_0", F_OK) = -1 ENOENT (No such file or
directory)
access("/cgroup/freezer/grp_0", F_OK) = 0
stat("/cgroup/freezer/grp_0//tasks", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
open("/cgroup/freezer/grp_0/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) =
3
getdents(3, /* 8 entries */, 32768) = 280
stat("/cgroup/freezer/grp_0/freezer.state", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
open("/cgroup/freezer/grp_0/freezer.state", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(4, "THAWED\n", 4096) = 7
read(4, "", 4096) = 0
close(4) = 0
munmap(0x7fdd5752a000, 4096) = 0
stat("/cgroup/freezer/grp_0/cgroup.clone_children", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/cgroup.event_control", {st_mode=S_IFREG|0222,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/notify_on_release", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/cgroup.procs", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/tasks", {st_mode=S_IFREG|0644, st_size=0, ...})
= 0
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "FREEZER value group0 : THAWED\n", 30) = 30
nanosleep({2, 0}, NULL) = 0
access("/cgroup/cpu/grp_0", F_OK) = -1 ENOENT (No such file or
directory)
access("/cgroup/freezer/grp_0", F_OK) = 0
stat("/cgroup/freezer/grp_0//tasks", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
write(2, "Error with cgroup_get_cgroup(gro"..., 87) = 87
write(2, "Error with cgroup_get_value_stri"..., 118) = 118
write(1, "FREEZER value group0 : (null)\n", 30) = 30
nanosleep({2, 0}, NULL) = 0
access("/cgroup/cpu/grp_0", F_OK) = -1 ENOENT (No such file or
directory)
access("/cgroup/freezer/grp_0", F_OK) = 0
stat("/cgroup/freezer/grp_0//tasks", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
open("/cgroup/freezer/grp_0/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) =
3
getdents(3, /* 8 entries */, 32768) = 280
stat("/cgroup/freezer/grp_0/freezer.state", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
open("/cgroup/freezer/grp_0/freezer.state", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(4, "THAWED\n", 4096) = 7
read(4, "", 4096) = 0
close(4) = 0
munmap(0x7fdd5752a000, 4096) = 0
stat("/cgroup/freezer/grp_0/cgroup.clone_children", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/cgroup.event_control", {st_mode=S_IFREG|0222,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/notify_on_release", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/cgroup.procs", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/tasks", {st_mode=S_IFREG|0644, st_size=0, ...})
= 0
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "FREEZER value group0 : THAWED\n", 30) = 30
nanosleep({2, 0}, NULL) = 0
access("/cgroup/cpu/grp_0", F_OK) = -1 ENOENT (No such file or
directory)
access("/cgroup/freezer/grp_0", F_OK) = 0
stat("/cgroup/freezer/grp_0//tasks", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
write(2, "Error with cgroup_get_cgroup(gro"..., 87) = 87
write(2, "Error with cgroup_get_value_stri"..., 118) = 118
write(1, "FREEZER value group0 : (null)\n", 30) = 30
nanosleep({2, 0}, NULL) = 0
access("/cgroup/cpu/grp_0", F_OK) = -1 ENOENT (No such file or
directory)
access("/cgroup/freezer/grp_0", F_OK) = 0
stat("/cgroup/freezer/grp_0//tasks", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
open("/cgroup/freezer/grp_0/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) =
3
getdents(3, /* 8 entries */, 32768) = 280
stat("/cgroup/freezer/grp_0/freezer.state", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
open("/cgroup/freezer/grp_0/freezer.state", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(4, "THAWED\n", 4096) = 7
read(4, "", 4096) = 0
close(4) = 0
munmap(0x7fdd5752a000, 4096) = 0
stat("/cgroup/freezer/grp_0/cgroup.clone_children", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/cgroup.event_control", {st_mode=S_IFREG|0222,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/notify_on_release", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/cgroup.procs", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0/tasks", {st_mode=S_IFREG|0644, st_size=0, ...})
= 0
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "FREEZER value group0 : THAWED\n", 30) = 30
nanosleep({2, 0}, NULL) = 0
write(1, "path is /cgroup/freezer/grp_1/\n", 31) = 31
write(1, "parent's name is /cgroup/freezer"..., 43) = 43
stat("/cgroup/freezer/grp_1/", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_1//..", {st_mode=S_IFDIR|0755, st_size=0, ...}) =
0
write(1, "group name is grp_1\n", 20) = 20
write(1, "parent's group name is .\n", 25) = 25
open("/cgroup/freezer/.//tasks", O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666)
= 3
write(1, "Removing group freezer:grp_1\n", 29) = 29
open("/cgroup/freezer/grp_1/tasks", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(4, "", 4096) = 0
close(4) = 0
munmap(0x7fdd5752a000, 4096) = 0
rmdir("/cgroup/freezer/grp_1/") = 0
close(3) = 0
write(1, "path is /cgroup/freezer/grp_0/\n", 31) = 31
write(1, "parent's name is /cgroup/freezer"..., 43) = 43
stat("/cgroup/freezer/grp_0/", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
stat("/cgroup/freezer/grp_0//..", {st_mode=S_IFDIR|0755, st_size=0, ...}) =
0
write(1, "group name is grp_0\n", 20) = 20
write(1, "parent's group name is .\n", 25) = 25
open("/cgroup/freezer/.//tasks", O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0666)
= 3
write(1, "Removing group freezer:grp_0\n", 29) = 29
open("/cgroup/freezer/grp_0/tasks", O_RDONLY|O_CLOEXEC) = 4
fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(4, "", 4096) = 0
close(4) = 0
munmap(0x7fdd5752a000, 4096) = 0
rmdir("/cgroup/freezer/grp_0/") = 0
close(3) = 0
write(1, "cgroup_config_unload_config: par"..., 53) = 53
open("./cgconfig.conf", O_RDONLY|O_CLOEXEC) = 3
brk(0x23ed000) = 0x23ed000
brk(0x243a000) = 0x243a000
fstat(3, {st_mode=S_IFREG|0644, st_size=184, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(3, "mount {\n# cpuset = /cgroup/cp"..., 8192) = 184
read(3, "", 4096) = 0
read(3, "", 8192) = 0
ioctl(3, SNDCTL_TMR_TIMEBASE or TCGETS, 0x7fff3b481760) = -1 ENOTTY
(Inappropriate ioctl for device)
close(3) = 0
munmap(0x7fdd5752a000, 4096) = 0
open("/proc/meminfo", O_RDONLY) = 3
fstat(3, {st_mode=S_IFREG|0444, st_size=0, ...}) = 0
mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) =
0x7fdd5752a000
read(3, "MemTotal: 16413660 kB\nMemF"..., 1024) = 1024
close(3) = 0
munmap(0x7fdd5752a000, 4096) = 0
write(1, "unmounting cpu\n", 15) = 15
write(1, "path is /\n", 10) = 10
stat("/cgroup/cpu/", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
write(1, "seeing file /cgroup/cpu/\n", 25) = 25
open("/cgroup/cpu/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
getdents(3, /* 10 entries */, 32768) = 344
stat("/cgroup/cpu/grp_1", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
stat("/cgroup/cpu/cpu.shares", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
stat("/cgroup/cpu/release_agent", {st_mode=S_IFREG|0644, st_size=0, ...}) =
0
stat("/cgroup/cpu/cgroup.clone_children", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
stat("/cgroup/cpu/cgroup.event_control", {st_mode=S_IFREG|0222, st_size=0,
...}) = 0
stat("/cgroup/cpu/notify_on_release", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
stat("/cgroup/cpu/cgroup.procs", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
stat("/cgroup/cpu/tasks", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "seeing file /cgroup/cpu/grp_1\n", 30) = 30
write(1, "won't unmount cpu: hieararchy is"..., 43) = 43
write(1, "unmounting freezer\n", 19) = 19
write(1, "path is /\n", 10) = 10
stat("/cgroup/freezer/", {st_mode=S_IFDIR|0755, st_size=0, ...}) = 0
write(1, "seeing file /cgroup/freezer/\n", 29) = 29
open("/cgroup/freezer/", O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3
getdents(3, /* 8 entries */, 32768) = 280
stat("/cgroup/freezer/release_agent", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
stat("/cgroup/freezer/cgroup.clone_children", {st_mode=S_IFREG|0644,
st_size=0, ...}) = 0
stat("/cgroup/freezer/cgroup.event_control", {st_mode=S_IFREG|0222,
st_size=0, ...}) = 0
stat("/cgroup/freezer/notify_on_release", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
stat("/cgroup/freezer/cgroup.procs", {st_mode=S_IFREG|0644, st_size=0,
...}) = 0
stat("/cgroup/freezer/tasks", {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
getdents(3, /* 0 entries */, 32768) = 0
close(3) = 0
write(1, "seeing file /cgroup/freezer/rele"..., 42) = 42
write(1, "seeing file /cgroup/freezer/cgro"..., 50) = 50
write(1, "seeing file /cgroup/freezer/cgro"..., 49) = 49
write(1, "seeing file /cgroup/freezer/noti"..., 46) = 46
write(1, "seeing file /cgroup/freezer/cgro"..., 41) = 41
write(1, "seeing file /cgroup/freezer/task"..., 34) = 34
write(1, "seeing file /cgroup/freezer/\n", 29) = 29
write(1, "unmounting freezer at /cgroup/fr"..., 38) = 38
umount("/cgroup/freezer", 0) = -1 EBUSY (Device or resource busy)
brk(0x23a0000) = 0x23a0000
write(2, "Error with cgroup_config_unload_"..., 76) = 76
exit_group(1) = ?
----
--
Alexandre LAURENT
2014-12-16 17:40 GMT+01:00 Balbir Singh <bsinghar...@gmail.com>:
>
> I'm afraid I've lost the logs (sorry, forced email cleanup). I
> remember seeing a rollback action because an action failed. Would you
> mind resending it?
>
> Balbir Singh.
>
> On Tue, Dec 16, 2014 at 9:50 PM, Alexandre LAURENT
> <pro.laurent.alexan...@gmail.com> wrote:
> > I have continued my investigation about this issue.
> > On all machines that I have access, with different kernels : 3.2, 3.5.5,
> > 3.14, I have always the same issue.
> > I am trying to run the tests available in libcgroups 0.41. TEST17 from
> > second pass and TEST25 from third pass are always failing. These tests
> are
> > related to cgroup_get_cgroup().
> >
> > Can you reproduce and investigate on this, please ?
> >
> > Best regards,
> >
> >
> > 2014-12-09 17:21 GMT+01:00 Alexandre LAURENT
> > <pro.laurent.alexan...@gmail.com>:
> >>
> >> Hello,
> >>
> >> I am attaching the strace from my program.
> >> This segment appears when I am calling cgroup_get_cgroup() :
> >>
> >> access("/cgroup/freezer/grp_1", F_OK) = 0
> >> stat("/cgroup/freezer/grp_1//tasks", {st_mode=S_IFREG|0644, st_size=0,
> >> ...}) = 0
> >> gettid() = 18300
> >> write(2, "E1209 16:57:17.328337 18300 cgro"..., 108) = 108
> >>
> >> (gettid() and write() calls are coming from my logger.)
> >>
> >> Thanks for your help,
> >>
> >>
> >>
> >> 2014-12-08 18:52 GMT+01:00 Balbir Singh <bsinghar...@gmail.com>:
> >>>
> >>> Thanks.. we need the strace logs for the run
> >>>
> >>> Balbir Singh.
> >>>
> >>> On Mon, Dec 8, 2014 at 10:34 PM, Alexandre LAURENT
> >>> <pro.laurent.alexan...@gmail.com> wrote:
> >>> > As far as I know, yes, it is compiled. Memory controller is normally
> >>> > mounted
> >>> > in /cgroup/ and all files are present.
> >>> > Here my kernel config :
> >>> >
> >>> > CONFIG_CGROUPS=y
> >>> > # CONFIG_CGROUP_DEBUG is not set
> >>> > CONFIG_CGROUP_FREEZER=y
> >>> > CONFIG_CGROUP_DEVICE=y
> >>> > CONFIG_CGROUP_CPUACCT=y
> >>> > CONFIG_CGROUP_MEM_RES_CTLR=y
> >>> > CONFIG_CGROUP_MEM_RES_CTLR_SWAP=y
> >>> > # CONFIG_CGROUP_MEM_RES_CTLR_SWAP_ENABLED is not set
> >>> > CONFIG_CGROUP_PERF=y
> >>> > CONFIG_CGROUP_SCHED=y
> >>> > CONFIG_BLK_CGROUP=y
> >>> > # CONFIG_DEBUG_BLK_CGROUP is not set
> >>> > CONFIG_NET_CLS_CGROUP=y
> >>> >
> >>> > If I disable memory controller everything will work fine with all
> other
> >>> > controllers. But, when enabling again memory controller, I have
> >>> > problems
> >>> > getting some files like freezer.state or memory.failctn. I guess this
> >>> > is
> >>> > because of the failure of cgroup_get_cgroup().
> >>> >
> >>> > Am I missing something ?
> >>> >
> >>> > Best regards,
> >>> >
> >>> >
> >>> > 2014-12-08 11:32 GMT+01:00 Balbir Singh <bsinghar...@gmail.com>:
> >>> >>
> >>> >> On Mon, Dec 8, 2014 at 3:52 PM, Alexandre LAURENT
> >>> >> <pro.laurent.alexan...@gmail.com> wrote:
> >>> >> > Hello,
> >>> >> >
> >>> >> > I am using libcg 0.41 and Linux Kernel 3.2.0.4 (AMD 64) on Debian
> 7.
> >>> >> > When I am using memory controller (and some others) through the
> >>> >> > following
> >>> >> > config file :
> >>> >> > ---
> >>> >> > mount {
> >>> >> > cpu = /cgroup/cpu;
> >>> >> > freezer = /cgroup/freezer;
> >>> >> > net_cls = /cgroup/net_cls;
> >>> >> > blkio = /cgroup/blkio;
> >>> >> > memory = /cgroup/memory;
> >>> >> > }
> >>> >> > ---
> >>> >> >
> >>> >> > the cgroup_get_cgroup() function is returning an error "Cgroup
> >>> >> > invalid
> >>> >> > operation".
> >>> >> > The error seems to be emitted from cgroup_add_controller() which
> >>> >> > will
> >>> >> > return on this case :
> >>> >> > /*
> >>> >> > * Still not sure how to handle the failure here.
> >>> >> > */
> >>> >> > for (i = 0; i < cgroup->index; i++) {
> >>> >> > if (strncmp(name, cgroup->controller[i]->name,
> >>> >> > sizeof(cgroup->controller[i]->name)) == 0)
> >>> >> > {
> >>> >> > return NULL;
> >>> >> > }
> >>> >> > }
> >>> >> >
> >>> >> >
> >>> >> > When commenting the memory controller line, the error disappear.
> >>> >> > I have also tried to output all debug messages available in libcg,
> >>> >> > but
> >>> >> > none
> >>> >> > of these seems related to this issue.
> >>> >> >
> >>> >> > What can cause this issue ?
> >>> >>
> >>> >> Is memory cgroup compiled?
> >>> >>
> >>> >> Balbir Singh.
> >>> >
> >>> >
> >>
> >>
> >
>
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