On Thu, 2015-12-03 at 14:26 +0000, Patrick Agrain wrote: > Hello, > > perf record no samples in perf.data on an IBM x3250M5. > perf stat is OK (in that way that it displays some stats).
1) Which stats are displayed? Do the basic events from "perf list hw" work? perf stat -e cycles -- sleep 1 perf stat -e instructions -- sleep 1 2) What does "perf list hw" show? > Before digging into the hardware, let us check together if my 'perf' > compilation fulfills all requirements : > > I tried to compile the perf inside a linux kernel 3.19 from kernel.org. > Compilation is made on a Centos 6.6 with following info: > > [root@localhost Desktop]# cat /proc/version > Linux version 2.6.32-504.23.4.el6.i686 (mockbu...@c6b9.bsys.dev.centos.org) > (gcc version 4.4.7 20120313 (Red Hat 4.4.7-11) (GCC) ) #1 SMP Tue Jun 9 > 18:09:42 UTC 2015 > [root@localhost Desktop]# cd /usr/src/kernels/linux-3.19/tools/perf/ > [root@localhost perf]# make > BUILD: Doing 'make -j1' parallel build > config/Makefile:128: The path 'python-config' is not executable. > config/Makefile:390: No libunwind found. Please install libunwind-dev[el] >= > 1.1 and/or set LIBUNWIND_DIR > config/Makefile:494: Missing perl devel files. Disabling perl scripting > support, consider installing perl-ExtUtils-Embed > config/Makefile:525: No python-config tool was found > config/Makefile:525: Python support will not be built > config/Makefile:627: No numa.h found, disables 'perf bench numa mem' > benchmark, please install numactl-devel/libnuma-devel/libnuma-dev > > Auto-detecting system features: > ... dwarf: [ on ] > ... glibc: [ on ] > ... gtk2: [ on ] > ... libaudit: [ on ] > ... libbfd: [ on ] > ... libelf: [ on ] > ... libnuma: [ OFF ] > ... libperl: [ OFF ] > ... libpython: [ OFF ] > ... libslang: [ on ] > ... libunwind: [ OFF ] > ... libdw-dwarf-unwind: [ on ] > ... zlib: [ on ] > ... DWARF post unwind library: libdw > > CC perf.o > LINK perf > GEN perf-archive > GEN perf-with-kcore > [root@localhost perf]# > > Do you see here anything unusual (or wrong, or missing) ? > FYI, I saw no error message during compilation. > > Thanks. > Kind regards, > Patrick Agrain > > -- > To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
