From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Sat, 18 Nov 2017 14:05:31 +0000 (+0100)
Subject: Merge tag 'linux-cpupower-4.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel... 
X-Git-Tag: v4.15-rc2~15^2^2
X-Git-Url: http://git.samba.org/samba.git/?p=sfrench%2Fcifs-2.6.git;a=commitdiff_plain;h=43d2d3b56d836945dde5ba5a2bfc98e5f700e768;hp=e75080f185c103a638c66d7b65c673769a57cb87

Merge tag 'linux-cpupower-4.15-rc2' of git://git./linux/kernel/git/shuah/linux

Pull cpupower utility fixes for 4.15-rc2 from Shuah Khan:

"This update consists of fixes to tool's handling of offline cpus.

The first patch fixes the tool to find information on the cpu it
is running on, instead of always looking for cpu0 and failing if
cpu0 happens to be offline.

The second patch fixes the incorrect check for offline cpu status."

* tag 'linux-cpupower-4.15-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux:
  cpupower : Fix cpupower working when cpu0 is offline
  cpupowerutils: bench - Fix cpu online check
---

diff --git a/tools/power/cpupower/bench/system.c b/tools/power/cpupower/bench/system.c
index c25a74ae51ba..2bb3eef7d5c1 100644
--- a/tools/power/cpupower/bench/system.c
+++ b/tools/power/cpupower/bench/system.c
@@ -61,7 +61,7 @@ int set_cpufreq_governor(char *governor, unsigned int cpu)
 
 	dprintf("set %s as cpufreq governor\n", governor);
 
-	if (cpupower_is_cpu_online(cpu) != 0) {
+	if (cpupower_is_cpu_online(cpu) != 1) {
 		perror("cpufreq_cpu_exists");
 		fprintf(stderr, "error: cpu %u does not exist\n", cpu);
 		return -1;
diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
index 1b5da0066ebf..5b3205f16217 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c
@@ -130,15 +130,18 @@ static struct cpuidle_monitor *cpuidle_register(void)
 {
 	int num;
 	char *tmp;
+	int this_cpu;
+
+	this_cpu = sched_getcpu();
 
 	/* Assume idle state count is the same for all CPUs */
-	cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(0);
+	cpuidle_sysfs_monitor.hw_states_num = cpuidle_state_count(this_cpu);
 
 	if (cpuidle_sysfs_monitor.hw_states_num <= 0)
 		return NULL;
 
 	for (num = 0; num < cpuidle_sysfs_monitor.hw_states_num; num++) {
-		tmp = cpuidle_state_name(0, num);
+		tmp = cpuidle_state_name(this_cpu, num);
 		if (tmp == NULL)
 			continue;
 
@@ -146,7 +149,7 @@ static struct cpuidle_monitor *cpuidle_register(void)
 		strncpy(cpuidle_cstates[num].name, tmp, CSTATE_NAME_LEN - 1);
 		free(tmp);
 
-		tmp = cpuidle_state_desc(0, num);
+		tmp = cpuidle_state_desc(this_cpu, num);
 		if (tmp == NULL)
 			continue;
 		strncpy(cpuidle_cstates[num].desc, tmp,	CSTATE_DESC_LEN - 1);