* Ananth N Mavinakayanahalli <ana...@in.ibm.com> [2012-07-26 10:50:29]:
> From: Ananth N Mavinakayanahalli <ana...@in.ibm.com> > > This is the port of uprobes to powerpc. Usage is similar to x86. > > [root@xxxx ~]# ./bin/perf probe -x /lib64/libc.so.6 malloc > Added new event: > probe_libc:malloc (on 0xb4860) > > You can now use it in all perf tools, such as: > > perf record -e probe_libc:malloc -aR sleep 1 > > [root@xxxx ~]# ./bin/perf record -e probe_libc:malloc -aR sleep 20 > [ perf record: Woken up 22 times to write data ] > [ perf record: Captured and wrote 5.843 MB perf.data (~255302 samples) ] > [root@xxxx ~]# ./bin/perf report --stdio > ... > > # Samples: 83K of event 'probe_libc:malloc' > # Event count (approx.): 83484 > # > # Overhead Command Shared Object Symbol > # ........ ............ ............. .......... > # > 69.05% tar libc-2.12.so [.] malloc > 28.57% rm libc-2.12.so [.] malloc > 1.32% avahi-daemon libc-2.12.so [.] malloc > 0.58% bash libc-2.12.so [.] malloc > 0.28% sshd libc-2.12.so [.] malloc > 0.08% irqbalance libc-2.12.so [.] malloc > 0.05% bzip2 libc-2.12.so [.] malloc > 0.04% sleep libc-2.12.so [.] malloc > 0.03% multipathd libc-2.12.so [.] malloc > 0.01% sendmail libc-2.12.so [.] malloc > 0.01% automount libc-2.12.so [.] malloc > > Patch applies on the current master branch of Linus' tree (bdc0077af). > The trap_nr addition patch is a prereq. > > Signed-off-by: Ananth N Mavinakayanahalli <ana...@in.ibm.com> Acked-by: Srikar Dronamraju <sri...@linux.vnet.ibm.com> _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
