diff options
| author | Vaibhav Nagarnaik <vnagarnaik@google.com> | 2012-04-06 00:48:03 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2012-04-25 13:35:38 +0200 |
| commit | b48285980de2070948c8ac73629c605ad9202589 (patch) | |
| tree | c2414ffe485d927abca7b3b73b3acae332114857 /tools/lib | |
| parent | parse-events: Let pevent_free() take a NULL pointer (diff) | |
| download | linux-b48285980de2070948c8ac73629c605ad9202589.tar.xz linux-b48285980de2070948c8ac73629c605ad9202589.zip | |
parse-events: Support '+' opcode in print format
The '+' opcode is not supported in the arguments for the print format.
This patch adds support for it.
Cc: Michael Rubin <mrubin@google.com>
Cc: David Sharp <dhsharp@google.com>
Signed-off-by: Vaibhav Nagarnaik <vnagarnaik@google.com>
Link: http://lkml.kernel.org/r/1310785241-3799-4-git-send-email-vnagarnaik@google.com
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Arun Sharma <asharma@fb.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/traceevent/event-parse.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c index 4d5092f67167..476626af7317 100644 --- a/tools/lib/traceevent/event-parse.c +++ b/tools/lib/traceevent/event-parse.c @@ -2047,6 +2047,18 @@ static int arg_num_eval(struct print_arg *arg, long long *val) break; *val = left - right; break; + case '+': + if (arg->op.left->type == PRINT_NULL) + left = 0; + else + ret = arg_num_eval(arg->op.left, &left); + if (!ret) + break; + ret = arg_num_eval(arg->op.right, &right); + if (!ret) + break; + *val = left + right; + break; default: do_warning("unknown op '%s'", arg->op.op); ret = 0; |