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-rw-r--r--tools/perf/util/evlist.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index de7515dd683a..d661f252b891 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1487,16 +1487,16 @@ int perf_evlist__strerror_open(struct perf_evlist *evlist __maybe_unused,
int perf_evlist__strerror_mmap(struct perf_evlist *evlist, int err, char *buf, size_t size)
{
char sbuf[STRERR_BUFSIZE], *emsg = strerror_r(err, sbuf, sizeof(sbuf));
- int value;
+ int pages_attempted = evlist->mmap_len / 1024, pages_max_per_user;
switch (err) {
case EPERM:
- sysctl__read_int("kernel/perf_event_mlock_kb", &value);
+ sysctl__read_int("kernel/perf_event_mlock_kb", &pages_max_per_user);
scnprintf(buf, size, "Error:\t%s.\n"
"Hint:\tCheck /proc/sys/kernel/perf_event_mlock_kb (%d kB) setting.\n"
"Hint:\tTried using %zd kB.\n"
"Hint:\tTry using a smaller -m/--mmap-pages value.",
- emsg, value, evlist->mmap_len / 1024);
+ emsg, pages_max_per_user, pages_attempted);
break;
default:
scnprintf(buf, size, "%s", emsg);