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| author | Madhavan Srinivasan | 2017-02-12 18:03:12 +0100 |
|---|---|---|
| committer | Michael Ellerman | 2017-02-17 11:48:53 +0100 |
| commit | a114aca57a59cd92189bf3795ac082a5e8fac0f1 (patch) | |
| tree | a025ccd1f67230e4fe7315269a60a7f7a09a9644 /arch/powerpc | |
| parent | powerpc/perf: Add PM_INST_DISP event to Power9 event list (diff) | |
| download | kernel-qcow2-linux-a114aca57a59cd92189bf3795ac082a5e8fac0f1.tar.gz kernel-qcow2-linux-a114aca57a59cd92189bf3795ac082a5e8fac0f1.tar.xz kernel-qcow2-linux-a114aca57a59cd92189bf3795ac082a5e8fac0f1.zip | |
powerpc/perf: Add alternative event table and function for power9
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/perf/power9-pmu.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c index 7332634e18c9..b38acff8a791 100644 --- a/arch/powerpc/perf/power9-pmu.c +++ b/arch/powerpc/perf/power9-pmu.c @@ -106,6 +106,21 @@ enum { /* PowerISA v2.07 format attribute structure*/ extern struct attribute_group isa207_pmu_format_group; +/* Table of alternatives, sorted by column 0 */ +static const unsigned int power9_event_alternatives[][MAX_ALT] = { + { PM_INST_DISP, PM_INST_DISP_ALT }, +}; + +static int power9_get_alternatives(u64 event, unsigned int flags, u64 alt[]) +{ + int num_alt = 0; + + num_alt = isa207_get_alternatives(event, alt, power9_event_alternatives, + (int)ARRAY_SIZE(power9_event_alternatives)); + + return num_alt; +} + GENERIC_EVENT_ATTR(cpu-cycles, PM_CYC); GENERIC_EVENT_ATTR(stalled-cycles-frontend, PM_ICT_NOSLOT_CYC); GENERIC_EVENT_ATTR(stalled-cycles-backend, PM_CMPLU_STALL); @@ -383,6 +398,7 @@ static struct power_pmu power9_isa207_pmu = { .config_bhrb = power9_config_bhrb, .bhrb_filter_map = power9_bhrb_filter_map, .get_constraint = isa207_get_constraint, + .get_alternatives = power9_get_alternatives, .disable_pmc = isa207_disable_pmc, .flags = PPMU_NO_SIAR | PPMU_ARCH_207S, .n_generic = ARRAY_SIZE(power9_generic_events), @@ -401,6 +417,7 @@ static struct power_pmu power9_pmu = { .config_bhrb = power9_config_bhrb, .bhrb_filter_map = power9_bhrb_filter_map, .get_constraint = isa207_get_constraint, + .get_alternatives = power9_get_alternatives, .disable_pmc = isa207_disable_pmc, .flags = PPMU_HAS_SIER | PPMU_ARCH_207S, .n_generic = ARRAY_SIZE(power9_generic_events), |