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Diffstat (limited to 'tools/power/cpupower/utils/idle_monitor/nhm_idle.c')
-rw-r--r--tools/power/cpupower/utils/idle_monitor/nhm_idle.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/tools/power/cpupower/utils/idle_monitor/nhm_idle.c b/tools/power/cpupower/utils/idle_monitor/nhm_idle.c
index d2a91dd0d563..6b1733782ffa 100644
--- a/tools/power/cpupower/utils/idle_monitor/nhm_idle.c
+++ b/tools/power/cpupower/utils/idle_monitor/nhm_idle.c
@@ -1,8 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* (C) 2010,2011 Thomas Renninger <trenn@suse.de>, Novell Inc.
*
- * Licensed under the terms of the GNU GPL License version 2.
- *
* Based on Len Brown's <lenb@kernel.org> turbostat tool.
*/
@@ -92,7 +91,7 @@ static int nhm_get_count(enum intel_nhm_id id, unsigned long long *val,
break;
default:
return -1;
- };
+ }
if (read_msr(cpu, msr, val))
return -1;
@@ -129,7 +128,7 @@ static int nhm_start(void)
int num, cpu;
unsigned long long dbg, val;
- nhm_get_count(TSC, &tsc_at_measure_start, 0);
+ nhm_get_count(TSC, &tsc_at_measure_start, base_cpu);
for (num = 0; num < NHM_CSTATE_COUNT; num++) {
for (cpu = 0; cpu < cpu_count; cpu++) {
@@ -137,7 +136,7 @@ static int nhm_start(void)
previous_count[num][cpu] = val;
}
}
- nhm_get_count(TSC, &dbg, 0);
+ nhm_get_count(TSC, &dbg, base_cpu);
dprint("TSC diff: %llu\n", dbg - tsc_at_measure_start);
return 0;
}
@@ -148,15 +147,15 @@ static int nhm_stop(void)
unsigned long long dbg;
int num, cpu;
- nhm_get_count(TSC, &tsc_at_measure_end, 0);
+ nhm_get_count(TSC, &tsc_at_measure_end, base_cpu);
for (num = 0; num < NHM_CSTATE_COUNT; num++) {
for (cpu = 0; cpu < cpu_count; cpu++) {
- is_valid[cpu] = !nhm_get_count(num, &val, cpu);
+ is_valid[cpu] |= !nhm_get_count(num, &val, cpu);
current_count[num][cpu] = val;
}
}
- nhm_get_count(TSC, &dbg, 0);
+ nhm_get_count(TSC, &dbg, base_cpu);
dprint("TSC diff: %llu\n", dbg - tsc_at_measure_end);
return 0;
@@ -209,7 +208,7 @@ struct cpuidle_monitor intel_nhm_monitor = {
.stop = nhm_stop,
.do_register = intel_nhm_register,
.unregister = intel_nhm_unregister,
- .needs_root = 1,
+ .flags.needs_root = 1,
.overflow_s = 922000000 /* 922337203 seconds TSC overflow
at 20GHz */
};