Li Zefan
540b7b8d65
tracing/syscalls: Add filtering support
Add filtering support for syscall events:
# echo 'mode == 0666' > events/syscalls/sys_enter_open
# echo 'ret == 0' > events/syscalls/sys_exit_open
# echo 1 > events/syscalls/sys_enter_open
# echo 1 > events/syscalls/sys_exit_open
# cat trace
...
modprobe-3084 [001] 117.463140: sys_open(filename: 917d3e8, flags: 0, mode: 1b6)
modprobe-3084 [001] 117.463176: sys_open -> 0x0
less-3086 [001] 117.510455: sys_open(filename: 9c6bdb8, flags: 8000, mode: 1b6)
sendmail-2574 [001] 122.145840: sys_open(filename: b807a365, flags: 0, mode: 1b6)
...
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4A8BAFCB.1040006@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-08-19 15:02:24 +02:00
..
2009-07-27 18:42:38 -04:00
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