Messages in this thread Patch in this message | | | Date | Thu, 15 Oct 2009 08:48:10 GMT | From | tip-bot for Steven Rostedt <> | Subject | [tip:perf/core] perf tools: Handle print concatenations in event format file |
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Commit-ID: 924a79af2cdee26a034b9bdce8c9c76995b5c901 Gitweb: http://git.kernel.org/tip/924a79af2cdee26a034b9bdce8c9c76995b5c901 Author: Steven Rostedt <srostedt@redhat.com> AuthorDate: Wed, 14 Oct 2009 15:43:32 -0400 Committer: Ingo Molnar <mingo@elte.hu> CommitDate: Thu, 15 Oct 2009 10:42:34 +0200
perf tools: Handle print concatenations in event format file
kmem_alloc ftrace event format had a string that was broken up by two tokens. "string 1" "string 2". This patch lets the parser be able to handle the concatenation.
Signed-off-by: Steven Rostedt <srostedt@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <20091014194357.253818714@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu> --- tools/perf/util/trace-event-parse.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index eef60df..a05c714 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -1734,6 +1734,7 @@ static int event_read_print(struct event *event) if (read_expect_type(EVENT_DQUOTE, &token) < 0) goto fail; + concat: event->print_fmt.format = token; event->print_fmt.args = NULL; @@ -1743,6 +1744,21 @@ static int event_read_print(struct event *event) if (type == EVENT_NONE) return 0; + /* Handle concatination of print lines */ + if (type == EVENT_DQUOTE) { + char *cat; + + cat = malloc_or_die(strlen(event->print_fmt.format) + + strlen(token) + 1); + strcpy(cat, event->print_fmt.format); + strcat(cat, token); + free_token(token); + free_token(event->print_fmt.format); + event->print_fmt.format = NULL; + token = cat; + goto concat; + } + if (test_type_token(type, token, EVENT_DELIM, (char *)",")) goto fail;
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