Hello,
I am not able to run pfmon system-wide sampling and would like to ask
you for help.
HW configuration
-----------------------------
2x Xeon 3.06GHz (512KB L2 Cache), 2x 1GB DDR
PC2100 ECC DIMM, 2x 40GB HDD, Dual Gigabit Ethernet, ATI RageXL (8MB)
video
The blade server type is "IBM HS20", the product number is: 8832-MGG.
See below for /proc/cpuinfo,
SW configuration
------------------------------
Linux kernel 2.6.24.4, perfmon patch correctly applied
Issued commands
-----------------------------
Terminal 1 is running "find / -name yp.conf"
Terminal 2 is running:
"pfmon -v --events=global_power_events:running,instr_retired:nbogusntag
--smpl-module=compact --long-smpl-period=20000 --system-wide -uk"
Output
-------------------------------
After find completes, I stop the pfmon and get the output:
CPU3 stopped monitoring
CPU0 stopped monitoring
CPU2 stopped monitoring
CPU1 stopped monitoring
skip=0 count=0 ovfl=0 last_o=18446744073709551615 last_c=577745316892114943
# total samples : 0
# total buffer overflows : 0
skip=0 count=0 ovfl=0 last_o=18446744073709551615 last_c=4294967295
# total samples : 0
# total buffer overflows : 0
skip=0 count=0 ovfl=0 last_o=18446744073709551615 last_c=4294967295
# total samples : 0
# total buffer overflows : 0
skip=0 count=0 ovfl=0 last_o=18446744073709551615 last_c=577745316892114943
# total samples : 0
# total buffer overflows : 0
CPU0 0 sampling buffer overflows
CPU1 0 sampling buffer overflows
CPU2 0 sampling buffer overflows
CPU3 0 sampling buffer overflows
What runs
-------------------------------------
Per-thread sampling with the same sampling period of the same program
(find) runs OK, I get thousands of samples.
/proc/cpuinfo
-------------------------------------
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 3.06GHz
stepping : 9
cpu MHz : 3066.079
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36
clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pebs bts sync_rdtsc ci
d xtpr
bogomips : 6135.73
clflush size : 64
processor : 1
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 3.06GHz
stepping : 9
cpu MHz : 3066.079
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36
clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pebs bts sync_rdtsc ci
d xtpr
bogomips : 6132.11
clflush size : 64
processor : 2
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 3.06GHz
stepping : 9
cpu MHz : 3066.079
cache size : 512 KB
physical id : 3
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36
clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pebs bts sync_rdtsc ci
d xtpr
bogomips : 6132.17
clflush size : 64
processor : 3
vendor_id : GenuineIntel
cpu family : 15
model : 2
model name : Intel(R) Xeon(TM) CPU 3.06GHz
stepping : 9
cpu MHz : 3066.079
cache size : 512 KB
physical id : 3
siblings : 2
core id : 0
cpu cores : 1
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca
cmov pat pse36
clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe pebs bts sync_rdtsc ci
d xtpr
bogomips : 6132.06
clflush size : 64
Thank you very much!
Tomas Tuma
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