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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-08-21 13:55:50 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2018-08-30 15:52:19 -0300 |
| commit | 16cc63593f67477e9ca62f10182e74e949af1acb (patch) | |
| tree | 9656d59a99652b57244bb8101f201ea678482b90 /tools/perf/examples/bpf | |
| parent | f6618ce6c024ec90b156700fc39eb313ec117881 (diff) | |
| download | linux-16cc63593f67477e9ca62f10182e74e949af1acb.tar.gz linux-16cc63593f67477e9ca62f10182e74e949af1acb.tar.bz2 linux-16cc63593f67477e9ca62f10182e74e949af1acb.zip | |
perf trace: Augment 'newstat' (aka 'stat') filename ptr
This one will need some more work, that 'statbuf' pointer requires a
beautifier in 'perf trace'.
# perf trace -e tools/perf/examples/bpf/augmented_syscalls.c
0.000 weechat/3596 stat(filename: /etc/localtime, statbuf: 0x7ffd87d11f60)
0.186 perf/29818 openat(dfd: CWD, filename: /sys/kernel/debug/tracing/events/syscalls/sys_enter_stat/format)
0.279 perf/29818 openat(dfd: CWD, filename: /sys/kernel/debug/tracing/events/syscalls/sys_enter_newstat/for)
0.670 perf/29818 openat(dfd: CWD, filename: /sys/kernel/debug/tracing/events/syscalls/sys_enter_openat/form)
60.805 DNS Res~er #20/21308 stat(filename: /etc/resolv.conf, statbuf: 0x7ffa733fe4a0)
60.836 DNS Res~er #20/21308 open(filename: /etc/hosts, flags: CLOEXEC)
60.931 perf/29818 openat(dfd: CWD, filename: /sys/kernel/debug/tracing/events/syscalls/sys_enter_open/format)
607.070 DNS Res~er #21/29812 stat(filename: /etc/resolv.conf, statbuf: 0x7ffa5e1fe3f0)
607.098 DNS Res~er #21/29812 open(filename: /etc/hosts, flags: CLOEXEC)
999.336 weechat/3596 stat(filename: /etc/localtime, statbuf: 0x7ffd87d11f60)
^C#
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-4lhabe7m4uzo76lnqpyfmnvk@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/examples/bpf')
| -rw-r--r-- | tools/perf/examples/bpf/augmented_syscalls.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/examples/bpf/augmented_syscalls.c b/tools/perf/examples/bpf/augmented_syscalls.c index e8486e8597de..a9695c7f7aab 100644 --- a/tools/perf/examples/bpf/augmented_syscalls.c +++ b/tools/perf/examples/bpf/augmented_syscalls.c @@ -83,4 +83,15 @@ struct syscall_enter_inotify_add_watch_args { augmented_filename_syscall_enter(inotify_add_watch); +struct statbuf; + +struct syscall_enter_newstat_args { + unsigned long long common_tp_fields; + long syscall_nr; + char *filename_ptr; + struct stat *statbuf; +}; + +augmented_filename_syscall_enter(newstat); + license(GPL); |