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Merge "devfreq: delete l2wb feature pmu events during governor stop"

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This commit is contained in:
qctecmdr 2020-11-05 01:57:23 -08:00 • committed by Gerrit - the friendly Code Review server
commit bcbbc3a54a
2 changed files with 11 additions and 1 deletions
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7
drivers/devfreq/arm-memlat-mon.c
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@ -657,8 +657,13 @@ static void stop_hwmon(struct memlat_hwmon *hw)
unsigned int idx = cpu - cpumask_first(&mon->cpus);
struct dev_stats *devstats = to_devstats(mon, cpu);
if (mon->miss_ev)
if (mon->miss_ev) {
delete_event(&mon->miss_ev[idx]);
if (mon->wb_ev)
delete_event(&mon->wb_ev[idx]);
if (mon->access_ev)
delete_event(&mon->access_ev[idx]);
}
devstats->inst_count = 0;
devstats->mem_count = 0;
devstats->freq = 0;

5
drivers/soc/qcom/rimps_memlat.c
View file

@ -632,6 +632,8 @@ static void save_cpugrp_pmu_events(struct memlat_cpu_grp *cpu_grp, u8 cpu)
!cpus_data->common_evs[i])
continue;
perf_event_read_local(cpus_data->common_evs[i],
&ev_count, NULL, NULL);
ev_count = local64_read(&cpus_data->common_evs[i]->hw.prev_count);
store_event_val(ev_count, hw_id, cpu);
}
@ -651,6 +653,9 @@ static void save_mon_pmu_events(struct memlat_mon *mon, u8 cpu)
if (hw_id == INVALID_PMU_HW_IDX ||
!ev_data->mon_evs[i])
continue;
perf_event_read_local(ev_data->mon_evs[i],
&ev_count, NULL, NULL);
ev_count = local64_read(&ev_data->mon_evs[i]->hw.prev_count);
store_event_val(ev_count, hw_id, cpu);
}