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| author | Madhavan Srinivasan <maddy@linux.vnet.ibm.com> | 2017-11-22 10:45:38 +0530 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2017-11-22 23:04:23 +1100 |
| commit | de34787f1096cce38e2590be0013b44418d14546 (patch) | |
| tree | 2f322ae62f678870e62d0c9b01afa1005c87b3fa /arch | |
| parent | 252eb55816a6f69ef9464cad303cdb3326cdc61d (diff) | |
| download | linux-de34787f1096cce38e2590be0013b44418d14546.tar.bz2 | |
powerpc/perf: Fix pmu_count to count only nest imc pmus
"pmu_count" in opal_imc_counters_probe() is intended to hold
the number of successful nest imc pmu registerations. But
current code also counts other imc units like core_imc and
thread_imc. Patch add a check to count only nest imc pmus.
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/platforms/powernv/opal-imc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powernv/opal-imc.c b/arch/powerpc/platforms/powernv/opal-imc.c index 21f6531fae20..b150f4deaccf 100644 --- a/arch/powerpc/platforms/powernv/opal-imc.c +++ b/arch/powerpc/platforms/powernv/opal-imc.c @@ -191,8 +191,10 @@ static int opal_imc_counters_probe(struct platform_device *pdev) break; } - if (!imc_pmu_create(imc_dev, pmu_count, domain)) - pmu_count++; + if (!imc_pmu_create(imc_dev, pmu_count, domain)) { + if (domain == IMC_DOMAIN_NEST) + pmu_count++; + } } return 0; |