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pmu: implement event mapping function.

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Change-Id: Iac1ec99152b17a19dba0bf1a35f07724b8abc5a1
This commit is contained in:
TOIDA,Suguru
2019-04-09 10:03:11 +09:00
parent 3e267e24cb
commit 06af2d62c6
6 changed files with 27 additions and 11 deletions
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10
arch/arm64/kernel/perfctr.c
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@@ -86,18 +86,10 @@ void arm64_disable_user_access_pmu_regs(void)
cpu_pmu.disable_user_access_pmu_regs();
}
extern unsigned int *arm64_march_perfmap;
static int __ihk_mc_perfctr_init(int counter, uint32_t type, uint64_t config, int mode)
{
int ret = -1;
unsigned long config_base = 0;
int mapping;
mapping = cpu_pmu.map_event(type, config);
if (mapping < 0) {
return mapping;
}
ret = cpu_pmu.disable_counter(counter);
if (ret < 0) {
@@ -113,7 +105,7 @@ static int __ihk_mc_perfctr_init(int counter, uint32_t type, uint64_t config, in
if (ret) {
return ret;
}
config_base |= (unsigned long)mapping;
config_base |= config;
cpu_pmu.write_evtype(counter, config_base);
return ret;
}