From 16cc63593f67477e9ca62f10182e74e949af1acb Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Tue, 21 Aug 2018 13:55:50 -0300 Subject: 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 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(+) (limited to 'tools/perf/examples/bpf/augmented_syscalls.c') 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); -- cgit v1.2.3