diff options
| author | Sheetal Sahasrabudhe <sheetals@codeaurora.org> | 2014-08-01 16:24:03 -0400 |
|---|---|---|
| committer | David Keitel <dkeitel@codeaurora.org> | 2016-03-23 20:48:16 -0700 |
| commit | 2c167c7786cae6e53af720b81bd6ccdf195a75ab (patch) | |
| tree | 92c414afadeff8a01337d4a0385b674a76bcac63 /arch/arm64/kernel | |
| parent | b70837c8b27f553abe1722e2f52f8adad4cb012f (diff) | |
Perf: arm64: Add debugfs node to clear PMU
Create debugfs node to clear PMU and some internal variables
used by Perf code. This provides the user with a recovery
path in case of PMU related unexpected error scenarios.
Change-Id: I4e62a51043d7dcaa21b551ce6a6715486ef46cca
Signed-off-by: Sheetal Sahasrabudhe <sheetals@codeaurora.org>
[satyap: trivial merge conflict resolution and move changes
in arch/arm64/kernel/perf_event.c to drivers/perf/arm_pmu.c
to align with kernel 4.4]
Signed-off-by: Satya Durga Srinivasu Prabhala <satyap@codeaurora.org>
Diffstat (limited to 'arch/arm64/kernel')
| -rw-r--r-- | arch/arm64/kernel/perf_debug.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/kernel/perf_debug.c b/arch/arm64/kernel/perf_debug.c index 4ae6c598e9d5..4cda01393f39 100644 --- a/arch/arm64/kernel/perf_debug.c +++ b/arch/arm64/kernel/perf_debug.c @@ -25,6 +25,7 @@ static char *descriptions = " 0 arm64: perf: add debug patch logging framework\n" " 1 Perf: arm64: Add L1 counters to tracepoints\n" " 5 Perf: arm64: add perf user-mode permissions\n" + " 6 Perf: arm64: Add debugfs node to clear PMU\n" ; static ssize_t desc_read(struct file *fp, char __user *buf, |