aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--tools/power/x86/intel-speed-select/isst-config.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index 9f201189a06d..15bee7f52044 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -1319,6 +1319,34 @@ static void dump_isst_config(int arg)
isst_ctdp_display_information_end(outf);
}
+static int set_uncore_min_max(struct isst_id *id, int max, int freq)
+{
+ char buffer[128], freq_str[16];
+ int fd, ret, len;
+
+ if (max)
+ snprintf(buffer, sizeof(buffer),
+ "/sys/devices/system/cpu/intel_uncore_frequency/package_%02d_die_%02d/max_freq_khz", id->pkg, id->die);
+ else
+ snprintf(buffer, sizeof(buffer),
+ "/sys/devices/system/cpu/intel_uncore_frequency/package_%02d_die_%02d/min_freq_khz", id->pkg, id->die);
+
+ fd = open(buffer, O_WRONLY);
+ if (fd < 0)
+ return fd;
+
+ snprintf(freq_str, sizeof(freq_str), "%d", freq);
+ len = strlen(freq_str);
+ ret = write(fd, freq_str, len);
+ if (ret == -1) {
+ close(fd);
+ return ret;
+ }
+ close(fd);
+
+ return 0;
+}
+
static void adjust_scaling_max_from_base_freq(int cpu);
static void set_tdp_level_for_cpu(struct isst_id *id, void *arg1, void *arg2, void *arg3,
@@ -1340,6 +1368,14 @@ static void set_tdp_level_for_cpu(struct isst_id *id, void *arg1, void *arg2, vo
/* Wait for updated base frequencies */
usleep(2000);
+ /* Adjusting uncore freq */
+ isst_get_uncore_p0_p1_info(id, tdp_level, &ctdp_level);
+ if (ctdp_level.uncore_pm)
+ set_uncore_min_max(id, 0, ctdp_level.uncore_pm * 100000);
+
+ if (ctdp_level.uncore_p0)
+ set_uncore_min_max(id, 1, ctdp_level.uncore_p0 * 100000);
+
fprintf(stderr, "Option is set to online/offline\n");
ctdp_level.core_cpumask_size =
alloc_cpu_set(&ctdp_level.core_cpumask);