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perf_counter: Add dummy perf_counter_print_debug function

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Impact: minimize requirements on architectures

Currently, an architecture just enabling CONFIG_PERF_COUNTERS but not
providing any extra functions will fail to build with
perf_counter_print_debug being undefined, since we don't provide an
empty dummy definition like we do with the hw_perf_* functions.

This provides an empty dummy perf_counter_print_debug() to make it
easier for architectures to turn on CONFIG_PERF_COUNTERS.

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Paul Mackerras 2009-01-09 17:24:34 +11:00
parent 3cbed429a9
commit 4eb96fcfe0
1 changed files with 2 additions and 0 deletions
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2
kernel/perf_counter.c
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@ -54,6 +54,8 @@ int __weak hw_perf_group_sched_in(struct perf_counter *group_leader,
return 0;
}
void __weak perf_counter_print_debug(void) { }
static void
list_add_counter(struct perf_counter *counter, struct perf_counter_context *ctx)
{