redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

powerpc/perf: Add alternative event table and function for power9

Browse source 
Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Madhavan Srinivasan 2017-02-12 22:33:12 +05:30 committed by Michael Ellerman
parent ac19670eb1
commit a114aca57a
1 changed files with 17 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

17
arch/powerpc/perf/power9-pmu.c
View file

@ -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),