Messages in this thread Patch in this message | | | From | Adrian Hunter <> | Subject | [PATCH 4/4] perf tools: Fix display of incorrect mmap pages | Date | Mon, 9 Dec 2013 15:18:40 +0200 |
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'mmap_pages' is 'unsigned int' not 'int' e.g.
perf record -m2147483648 uname Permission error mapping pages. Consider increasing /proc/sys/kernel/perf_event_mlock_kb, or try again with a smaller value of -m/--mmap_pages. (current value: -2147483648)
Fixed:
perf record -m2147483648 uname Permission error mapping pages. Consider increasing /proc/sys/kernel/perf_event_mlock_kb, or try again with a smaller value of -m/--mmap_pages. (current value: 2147483648)
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> --- tools/perf/builtin-record.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index d93e2ee..c1c1200 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -224,7 +224,7 @@ try_again: "Consider increasing " "/proc/sys/kernel/perf_event_mlock_kb,\n" "or try again with a smaller value of -m/--mmap_pages.\n" - "(current value: %d)\n", opts->mmap_pages); + "(current value: %u)\n", opts->mmap_pages); rc = -errno; } else { pr_err("failed to mmap with %d (%s)\n", errno, strerror(errno)); -- 1.7.11.7
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