Steve,
>From the trace below, I get the impression that self fails because the getinfo() call returns bogus information which says that no counters are available. Here is one thing you can try to verify this: edit self.c and comment out the detect_unavail_pmcs() function, recompile and try again. On Tue, Aug 19, 2008 at 1:50 AM, <[EMAIL PROTECTED]> wrote: > Stephane > >> Try making the syscall contiguous first. So adjust libpfm, no the kernel. >> And yes, I was referring to the adjust_sys_base() function. >> > > I rebuilt my kernel to use syscall numbers that start with 280 (so they > will be contiguous) for perfmon and then rebooted. I then rebuilt libpfm > after changeing the value assigned to sys_base from 286 to 280 in the > default case of the "adjust_sys_base()" function for the x86_64 arch. > > When I build libpfm, the code under "#ifdef PFMLIB_VERSION_22" is not > getting compiled. When I run the make the compiles look like this: > > gcc -O2 -g -Wall -Werror -I/opt/hpctk/downloads/libpfm/libpfm-3.5 > /lib/../include -D_REENTRANT -DCONFIG_PFMLIB_ARCH_X86_64 -I. -c > pfmlib_os_linux.c > > When I run the tests now, I still get the invalid FD on the kernel call > following the pfm_create_context because the FD allocated in the create > call does not get returned to the caller. > > If I add "-DPFMLIB_VERSION_22" to the CFLAGS in config.mk then make libpfm, > the FD allocated in the create call gets passed back to the caller and the > next call gets a different error. The ./self program with this combination > gets this result: > > [jax] (hpctk) examples> ./self > pfmlib_os_linux.c.214 (adjust_sys_base): Entered > sycall base 280 > pfmlib_os_linux.c.128 (pfm_create_context): Entered > pfmlib_os_linux.c.136 (pfm_create_context): VERSION_22 fd values r: 0 > ctx_fd 3 > pfmlib_core.c.368 (pfm_core_dispatch_counters): i=0 next_gen=0 last=1 > isset=1 > pfmlib_core.c.368 (pfm_core_dispatch_counters): i=0 next_gen=1 last=1 > isset=0 > pfmlib_core.c.375 (pfm_core_dispatch_counters): cannot assign generic > counters > cannot configure events: cannot assign events to counters > > Kernel messages for this run look like this (some debug messages have been > added): > > perfmon: perfmon/perfmon_syscalls.c.365(sys_pfm_create_context): CPU6 > [6619]: Entered > perfmon: perfmon/perfmon.c.1517(__pfm_create_context): CPU6 [6619]: Entered > perfmon: perfmon/perfmon_pmu.c.395(pfm_pmu_conf_get): CPU6 [6619]: Entered > perfmon: perfmon/perfmon_file.c.699(pfm_alloc_fd): CPU6 [6619]: Entered > perfmon: perfmon/perfmon_file.c.717(pfm_alloc_fd): CPU6 [6619]: new inode > ino=20117 @ffff810122ebe6c0 > perfmon: perfmon/perfmon_sets.c.490(pfm_find_set): CPU6 [6619]: looking for > set=0 > perfmon: perfmon/perfmon_sets.c.559(pfm_find_set): CPU6 [6619]: set_id=0 > size=2584 view=ffff810116eae970 remap=0 mmap_offs=0 > perfmon: perfmon/perfmon_sets.c.468(pfm_init_evtset): CPU6 [6619]: set0 > pmc1=0x100000 > perfmon: perfmon/perfmon.c.1626(__pfm_create_context): CPU6 [6619]: > ctx=ffff810117980000 flags=0x0 system=0 notify_block=0 no_msg=0 use_fmt=0 > remap=0 ctx_fd=3 mode=0 > perfmon: perfmon/perfmon.c.1639(__pfm_create_context): CPU6 [6619]: got to > normal return > perfmon: perfmon/perfmon_sets.c.926(sys_pfm_getinfo_evtsets): CPU6 [6619]: > Entered > perfmon: perfmon/perfmon_syscalls.c.127(pfm_check_task_state): CPU6 [6619]: > state=1 [-1] task_state=-1 check_mask=0x0 > perfmon: perfmon/perfmon_sets.c.617(__pfm_getinfo_evtsets): CPU6 [6619]: > set_id=0 > perfmon: perfmon/perfmon_sets.c.667(__pfm_getinfo_evtsets): CPU6 [6619]: > set 0 flags=0x0 eff_usec=0 runs=0 > perfmon: perfmon/perfmon_file.c.509(__pfm_close): CPU6 [6619]: state=1 > perfmon: perfmon/perfmon.c.118(pfm_context_free): CPU6 [6619]: free ctx > @ffff810117980000 > > > Results when I provide the PFMLIB_VERSION_22 conditional compile variable > seem to be a little better. > Is this the correct way to build ?? > > Do you have any idea what I may have messed up or where to look for "cannot > assign events to counters" problem ?? > > Thanks > Gary > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > perfmon2-devel mailing list > perfmon2-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/perfmon2-devel > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ perfmon2-devel mailing list perfmon2-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/perfmon2-devel
