Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
tools/power x86_energy_perf_policy: EPB access is only via sysfs
Comprehend that EPB writes are now only via sysfs
by moving it out of the _msr specific path.
No functional change.
Signed-off-by: Len Brown <len.brown@intel.com>
+17
-10
+17
-10
tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
+17
-10
tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
···
1182
1182
return 0;
1183
1183
}
1184
1184
1185
+
int update_cpu_epb_sysfs(int cpu)
1186
+
{
1187
+
int epb;
1188
+
1189
+
epb = get_epb_sysfs(cpu);
1190
+
set_epb_sysfs(cpu, new_epb);
1191
+
1192
+
if (verbose)
1193
+
printf("cpu%d: ENERGY_PERF_BIAS old: %d new: %d\n",
1194
+
cpu, epb, (unsigned int) new_epb);
1195
+
1196
+
return 0;
1197
+
}
1198
+
1185
1199
int update_cpu_msrs(int cpu)
1186
1200
{
1187
1201
unsigned long long msr;
1188
-
int epb;
1189
-
1190
-
if (update_epb) {
1191
-
epb = get_epb_sysfs(cpu);
1192
-
set_epb_sysfs(cpu, new_epb);
1193
-
1194
-
if (verbose)
1195
-
printf("cpu%d: ENERGY_PERF_BIAS old: %d new: %d\n",
1196
-
cpu, epb, (unsigned int) new_epb);
1197
-
}
1198
1202
1199
1203
if (update_turbo) {
1200
1204
int turbo_is_present_and_disabled;
···
1588
1584
1589
1585
/* update CPU set */
1590
1586
if (cpu_selected_set) {
1587
+
if (update_epb)
1588
+
for_all_cpus_in_set(cpu_setsize, cpu_selected_set, update_cpu_epb_sysfs);
1591
1589
for_all_cpus_in_set(cpu_setsize, cpu_selected_set, update_sysfs);
1592
1590
for_all_cpus_in_set(cpu_setsize, cpu_selected_set, update_cpu_msrs);
1591
+
1593
1592
} else if (pkg_selected_set)
1594
1593
for_packages(pkg_selected_set, update_hwp_request_pkg_msr);
1595
1594