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perf: Fix parsing of __print_flags() in TP_printk()

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commit 49908a1b25 upstream.

A update is made to the sched:sched_switch event that adds some
logic to the first parameter of the __print_flags() that shows the
state of tasks. This change cause perf to fail parsing the flags.

A simple fix is needed to have the parser be able to process ops
within the argument.

Reported-by: Andrew Vagin <avagin@openvz.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

(cherry picked from commit 2431496fbdd142ccc83138d94f3f510a36ce9270)
This commit is contained in:
Steven Rostedt 2011-11-04 16:32:25 -04:00 committed by Stephen Boyd
parent 6aaeca8d2a
commit d1504fec5f
1 changed files with 2 additions and 0 deletions
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2
tools/perf/util/trace-event-parse.c
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@ -1590,6 +1590,8 @@ process_symbols(struct event *event, struct print_arg *arg, char **tok)
field = malloc_or_die(sizeof(*field));
type = process_arg(event, field, &token);
while (type == EVENT_OP)
type = process_op(event, field, &token);
if (test_type_token(type, token, EVENT_DELIM, ","))
goto out_free;