From f9652d5cae04eb5e85303c087f5842d320499c65 Mon Sep 17 00:00:00 2001 From: Abhishek Goel Date: Mon, 28 May 2018 06:03:03 -0500 Subject: cpupower : Fix header name to read idle state name The names of the idle states in the output of cpupower monitor command are truncated to 4 characters. On POWER9, this creates ambiguity as the states are named "stop0", "stop1", etc. root:~# cpupower monitor |Idle_Stats PKG |CORE|CPU | snoo | stop | stop | stop | stop | stop | stop 0| 0| 0| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 1.90 0| 0| 1| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 0| 0| 2| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 0| 0| 3| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 This patch modifies the output to print the state name that results in a legible output. The names will be printed with atmost 1 padding in left. root:~# cpupower monitor | Idle_Stats PKG|CORE| CPU|snooze|stop0L| stop0|stop1L| stop1|stop2L| stop2 0| 0| 0| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.72 0| 0| 1| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 0| 0| 2| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 0| 0| 3| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00| 0.00 This patch does not affect the output for intel. Output for intel before applying the patch: root:~# cpupower monitor |Idle_Stats CPU | POLL | C1-S | C1E- | C3-S | C6-S | C7s- | C8-S | C9-S | C10- 0| 0.00| 0.14| 0.39| 0.35| 7.41| 0.00| 17.67| 1.01| 70.03 2| 0.00| 0.19| 0.47| 0.10| 6.50| 0.00| 29.66| 2.17| 58.07 1| 0.00| 0.11| 0.50| 1.50| 9.11| 0.18| 18.19| 0.40| 66.63 3| 0.00| 0.67| 0.42| 0.03| 5.84| 0.00| 12.58| 0.77| 77.14 Output for intel after applying the patch: root:~# cpupower monitor | Idle_Stats CPU| POLL | C1-S | C1E- | C3-S | C6-S | C7s- | C8-S | C9-S | C10- 0| 0.03| 0.33| 1.01| 0.27| 3.03| 0.00| 19.18| 0.00| 71.24 2| 0.00| 1.58| 0.58| 0.42| 8.55| 0.09| 21.11| 0.99| 63.32 1| 0.00| 1.26| 0.88| 0.43| 9.00| 0.02| 7.78| 4.65| 71.91 3| 0.00| 0.30| 0.42| 0.06| 13.62| 0.21| 30.29| 0.00| 52.45 Signed-off-by: Abhishek Goel Signed-off-by: Shuah Khan (Samsung OSG) --- .../cpupower/utils/idle_monitor/cpuidle_sysfs.c | 15 ++++++++++ .../cpupower/utils/idle_monitor/cpupower-monitor.c | 35 ++++++++++++---------- .../cpupower/utils/idle_monitor/cpupower-monitor.h | 9 ++++++ 3 files changed, 44 insertions(+), 15 deletions(-) (limited to 'tools') diff --git a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c index 5b3205f..5b8c495 100644 --- a/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c +++ b/tools/power/cpupower/utils/idle_monitor/cpuidle_sysfs.c @@ -126,6 +126,20 @@ void fix_up_intel_idle_driver_name(char *tmp, int num) } } +#ifdef __powerpc__ +void map_power_idle_state_name(char *tmp) +{ + if (!strncmp(tmp, "stop0_lite", CSTATE_NAME_LEN)) + strcpy(tmp, "stop0L"); + else if (!strncmp(tmp, "stop1_lite", CSTATE_NAME_LEN)) + strcpy(tmp, "stop1L"); + else if (!strncmp(tmp, "stop2_lite", CSTATE_NAME_LEN)) + strcpy(tmp, "stop2L"); +} +#else +void map_power_idle_state_name(char *tmp) { } +#endif + static struct cpuidle_monitor *cpuidle_register(void) { int num; @@ -145,6 +159,7 @@ static struct cpuidle_monitor *cpuidle_register(void) if (tmp == NULL) continue; + map_power_idle_state_name(tmp); fix_up_intel_idle_driver_name(tmp, num); strncpy(cpuidle_cstates[num].name, tmp, CSTATE_NAME_LEN - 1); free(tmp); diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c index 05f953f..051da0a 100644 --- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c +++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c @@ -70,36 +70,43 @@ void print_n_spaces(int n) printf(" "); } -/* size of s must be at least n + 1 */ +/*s is filled with left and right spaces + *to make its length atleast n+1 + */ int fill_string_with_spaces(char *s, int n) { + char *temp; int len = strlen(s); - if (len > n) + + if (len >= n) return -1; + + temp = malloc(sizeof(char) * (n+1)); for (; len < n; len++) s[len] = ' '; s[len] = '\0'; + snprintf(temp, n+1, " %s", s); + strcpy(s, temp); + free(temp); return 0; } +#define MAX_COL_WIDTH 6 void print_header(int topology_depth) { int unsigned mon; int state, need_len; cstate_t s; char buf[128] = ""; - int percent_width = 4; fill_string_with_spaces(buf, topology_depth * 5 - 1); printf("%s|", buf); for (mon = 0; mon < avail_monitors; mon++) { - need_len = monitors[mon]->hw_states_num * (percent_width + 3) + need_len = monitors[mon]->hw_states_num * (MAX_COL_WIDTH + 1) - 1; - if (mon != 0) { - printf("|| "); - need_len--; - } + if (mon != 0) + printf("||"); sprintf(buf, "%s", monitors[mon]->name); fill_string_with_spaces(buf, need_len); printf("%s", buf); @@ -107,23 +114,21 @@ void print_header(int topology_depth) printf("\n"); if (topology_depth > 2) - printf("PKG |"); + printf(" PKG|"); if (topology_depth > 1) printf("CORE|"); if (topology_depth > 0) - printf("CPU |"); + printf(" CPU|"); for (mon = 0; mon < avail_monitors; mon++) { if (mon != 0) - printf("|| "); - else - printf(" "); + printf("||"); for (state = 0; state < monitors[mon]->hw_states_num; state++) { if (state != 0) - printf(" | "); + printf("|"); s = monitors[mon]->hw_states[state]; sprintf(buf, "%s", s.name); - fill_string_with_spaces(buf, percent_width); + fill_string_with_spaces(buf, MAX_COL_WIDTH); printf("%s", buf); } printf(" "); diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h index 9e43f33..2ae50b4 100644 --- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h +++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h @@ -15,7 +15,16 @@ #define MONITORS_MAX 20 #define MONITOR_NAME_LEN 20 + +/* CSTATE_NAME_LEN is limited by header field width defined + * in cpupower-monitor.c. Header field width is defined to be + * sum of percent width and two spaces for padding. + */ +#ifdef __powerpc__ +#define CSTATE_NAME_LEN 7 +#else #define CSTATE_NAME_LEN 5 +#endif #define CSTATE_DESC_LEN 60 int cpu_count; -- cgit v1.1