From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnaldo Carvalho de Melo Subject: [PATCH 10/77] perf trace: Augment 'newstat' (aka 'stat') filename ptr Date: Wed, 5 Sep 2018 19:03:33 -0300 Message-ID: <20180905220440.20256-11-acme@kernel.org> References: <20180905220440.20256-1-acme@kernel.org> Return-path: In-Reply-To: <20180905220440.20256-1-acme@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , David Ahern , Jiri Olsa , Namhyung Kim , Wang Nan List-Id: linux-perf-users.vger.kernel.org From: Arnaldo Carvalho de Melo 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 Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-4lhabe7m4uzo76lnqpyfmnvk@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/examples/bpf/augmented_syscalls.c | 11 +++++++++++ 1 file changed, 11 insertions(+) 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); -- 2.14.4