[tip:perf/core] perf bpf examples: Convert etcsnoop to use bpf_map()

perf bpf examples: Convert etcsnoop to use bpf_map() Making the code more compact, end result is the same: # trace -e /home/acme/git/perf/tools/perf/examples/bpf/etcsnoop.c 0.000 ( ): sed/7385 openat(dfd: CWD, filename: "/etc/ld.so.cache", flags: RDONLY|CLOEXEC) ...

[PATCH 28/29] perf bpf examples: Convert etcsnoop to use bpf_map()

From: Arnaldo Carvalho de Melo Making the code more compact, end result is the same: # trace -e /home/acme/git/perf/tools/perf/examples/bpf/etcsnoop.c 0.000 ( ): sed/7385 openat(dfd: CWD, filename: "/etc/ld.so.cache", flags: RDONLY|CLOEXEC) ... 2727.723 ( ): cat/7389 op

Re: perf bpf examples

On Fri, Jul 8, 2016 at 3:46 AM, Wangnan (F) wrote: > > > On 2016/7/8 15:57, Brendan Gregg wrote: >> [...] >> I mean just an -F99 that executes a BPF program on each sample. My >> most common use for perf is: >> >> perf record -F 99 -a -g -- sleep 30 >> perf report (or perf script, for making flame

Re: perf bpf examples

On 2016/7/8 15:57, Brendan Gregg wrote: On Thu, Jul 7, 2016 at 9:18 PM, Wangnan (F) wrote: On 2016/7/8 1:58, Brendan Gregg wrote: On Thu, Jul 7, 2016 at 10:54 AM, Brendan Gregg wrote: On Wed, Jul 6, 2016 at 6:49 PM, Wangnan (F) wrote: [...] ... Also, has anyone looked into perf samplin

Re: perf bpf examples

On Thu, Jul 7, 2016 at 9:18 PM, Wangnan (F) wrote: > > > On 2016/7/8 1:58, Brendan Gregg wrote: >> >> On Thu, Jul 7, 2016 at 10:54 AM, Brendan Gregg >> wrote: >>> >>> On Wed, Jul 6, 2016 at 6:49 PM, Wangnan (F) wrote: [...] >> ... Also, has anyone looked into perf sampling (-F 99) with bpf yet?

Re: perf bpf examples

On 2016/7/8 1:58, Brendan Gregg wrote: On Thu, Jul 7, 2016 at 10:54 AM, Brendan Gregg wrote: On Wed, Jul 6, 2016 at 6:49 PM, Wangnan (F) wrote: On 2016/7/7 4:29, Brendan Gregg wrote: G'Day, Are perf bpf examples shared anywhere? I've seen many posted to lkml (by Wang Nan),