[PATCH 4.14 039/217] drivers/perf: xgene_pmu: Fix IOB SLOW PMU parser error

Greg Kroah-Hartman
2018-08-23T08:19:45Z

From: Hoan Tran <hoan.tran@amperecomputing.com>

[ Upstream commit a45fc268db20ecd859bb61e25045912b3194b5e6 ]

This patch fixes the below parser error of the IOB SLOW PMU.

# perf stat -a -e iob-slow0/cycle-count/ sleep 1
evenf syntax error: 'iob-slow0/cycle-count/'
\___ parser error

It replaces the "-" character by "_" character inside the PMU name.

Signed-off-by: Hoan Tran <hoan.tran@amperecomputing.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/perf/xgene_pmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/perf/xgene_pmu.c
+++ b/drivers/perf/xgene_pmu.c
@@ -1463,7 +1463,7 @@ static char *xgene_pmu_dev_name(struct d
case PMU_TYPE_IOB:
return devm_kasprintf(dev, GFP_KERNEL, "iob%d", id);
case PMU_TYPE_IOB_SLOW:
- return devm_kasprintf(dev, GFP_KERNEL, "iob-slow%d", id);
+ return devm_kasprintf(dev, GFP_KERNEL, "iob_slow%d", id);
case PMU_TYPE_MCB:
return devm_kasprintf(dev, GFP_KERNEL, "mcb%d", id);