4.14-stable review patch. If anyone has any objections, please let me know.
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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); case PMU_TYPE_MC: