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Message-ID: <tip-96b55e39237b8bc92d8e6b96f896c106f2d39cf6@git.kernel.org>
Date: Tue, 5 May 2015 20:14:02 -0700
From: tip-bot for Masami Hiramatsu <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: mingo@...nel.org, tglx@...utronix.de,
masami.hiramatsu.pt@...achi.com, linux-kernel@...r.kernel.org,
namhyung@...nel.org, jolsa@...hat.com, acme@...hat.com,
dsahern@...il.com, hpa@...or.com, peterz@...radead.org
Subject: [tip:perf/core] perf probe: Accept multiple filter options
Commit-ID: 96b55e39237b8bc92d8e6b96f896c106f2d39cf6
Gitweb: http://git.kernel.org/tip/96b55e39237b8bc92d8e6b96f896c106f2d39cf6
Author: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
AuthorDate: Fri, 24 Apr 2015 18:47:48 +0900
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Mon, 4 May 2015 12:43:55 -0300
perf probe: Accept multiple filter options
Accept multiple filter options. Each filters are combined by logical-or.
E.g. --filter abc* --filter *def is same as --filter abc*|*def
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@...achi.com>
Cc: David Ahern <dsahern@...il.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lkml.kernel.org/r/20150424094748.23967.63355.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/builtin-probe.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 92dcce0..be17075 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -262,21 +262,25 @@ static int opt_set_filter(const struct option *opt __maybe_unused,
const char *str, int unset __maybe_unused)
{
const char *err;
+ int ret = 0;
if (str) {
pr_debug2("Set filter: %s\n", str);
- if (params.filter)
- strfilter__delete(params.filter);
- params.filter = strfilter__new(str, &err);
if (!params.filter) {
+ params.filter = strfilter__new(str, &err);
+ if (!params.filter)
+ ret = err ? -EINVAL : -ENOMEM;
+ } else
+ ret = strfilter__or(params.filter, str, &err);
+
+ if (ret == -EINVAL) {
pr_err("Filter parse error at %td.\n", err - str + 1);
pr_err("Source: \"%s\"\n", str);
pr_err(" %*c\n", (int)(err - str + 1), '^');
- return -EINVAL;
}
}
- return 0;
+ return ret;
}
static int init_params(void)
--
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