turbostat.c (3316f99a9f1b68c578c57e76792bd19da1c7d423) turbostat.c (8173c336989c1a12290cd023969df2775b2df34d)
1/*
2 * turbostat -- show CPU frequency and C-state residency
3 * on modern Intel and AMD processors.
4 *
5 * Copyright (c) 2013 Intel Corporation.
6 * Len Brown <len.brown@intel.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it

--- 2629 unchanged lines hidden (view full) ---

2638 size = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2639 CPU_ZERO_S(size, thiscpu->put_ids);
2640
2641 sprintf(path,
2642 "/sys/devices/system/cpu/cpu%d/topology/thread_siblings", cpu);
2643 filep = fopen_or_die(path, "r");
2644 do {
2645 offset -= BITMASK_SIZE;
1/*
2 * turbostat -- show CPU frequency and C-state residency
3 * on modern Intel and AMD processors.
4 *
5 * Copyright (c) 2013 Intel Corporation.
6 * Len Brown <len.brown@intel.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it

--- 2629 unchanged lines hidden (view full) ---

2638 size = CPU_ALLOC_SIZE((topo.max_cpu_num + 1));
2639 CPU_ZERO_S(size, thiscpu->put_ids);
2640
2641 sprintf(path,
2642 "/sys/devices/system/cpu/cpu%d/topology/thread_siblings", cpu);
2643 filep = fopen_or_die(path, "r");
2644 do {
2645 offset -= BITMASK_SIZE;
2646 fscanf(filep, "%lx%c", &map, &character);
2646 if (fscanf(filep, "%lx%c", &map, &character) != 2)
2647 err(1, "%s: failed to parse file", path);
2647 for (shift = 0; shift < BITMASK_SIZE; shift++) {
2648 if ((map >> shift) & 0x1) {
2649 so = shift + offset;
2650 sib_core = get_core_id(so);
2651 if (sib_core == thiscpu->physical_core_id) {
2652 CPU_SET_S(so, size, thiscpu->put_ids);
2653 if ((so != cpu) &&
2654 (cpus[so].thread_id < 0))

--- 815 unchanged lines hidden (view full) ---

3470
3471 for (state = 0; state < 10; ++state) {
3472
3473 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
3474 base_cpu, state);
3475 input = fopen(path, "r");
3476 if (input == NULL)
3477 continue;
2648 for (shift = 0; shift < BITMASK_SIZE; shift++) {
2649 if ((map >> shift) & 0x1) {
2650 so = shift + offset;
2651 sib_core = get_core_id(so);
2652 if (sib_core == thiscpu->physical_core_id) {
2653 CPU_SET_S(so, size, thiscpu->put_ids);
2654 if ((so != cpu) &&
2655 (cpus[so].thread_id < 0))

--- 815 unchanged lines hidden (view full) ---

3471
3472 for (state = 0; state < 10; ++state) {
3473
3474 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
3475 base_cpu, state);
3476 input = fopen(path, "r");
3477 if (input == NULL)
3478 continue;
3478 fgets(name_buf, sizeof(name_buf), input);
3479 if (!fgets(name_buf, sizeof(name_buf), input))
3480 err(1, "%s: failed to read file", path);
3479
3480 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
3481 sp = strchr(name_buf, '-');
3482 if (!sp)
3483 sp = strchrnul(name_buf, '\n');
3484 *sp = '\0';
3481
3482 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
3483 sp = strchr(name_buf, '-');
3484 if (!sp)
3485 sp = strchrnul(name_buf, '\n');
3486 *sp = '\0';
3485
3486 fclose(input);
3487
3488 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/desc",
3489 base_cpu, state);
3490 input = fopen(path, "r");
3491 if (input == NULL)
3492 continue;
3487 fclose(input);
3488
3489 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/desc",
3490 base_cpu, state);
3491 input = fopen(path, "r");
3492 if (input == NULL)
3493 continue;
3493 fgets(desc, sizeof(desc), input);
3494 if (!fgets(desc, sizeof(desc), input))
3495 err(1, "%s: failed to read file", path);
3494
3495 fprintf(outf, "cpu%d: %s: %s", base_cpu, name_buf, desc);
3496 fclose(input);
3497 }
3498}
3499static void
3500dump_sysfs_pstate_config(void)
3501{

--- 5 unchanged lines hidden (view full) ---

3507
3508 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_driver",
3509 base_cpu);
3510 input = fopen(path, "r");
3511 if (input == NULL) {
3512 fprintf(outf, "NSFOD %s\n", path);
3513 return;
3514 }
3496
3497 fprintf(outf, "cpu%d: %s: %s", base_cpu, name_buf, desc);
3498 fclose(input);
3499 }
3500}
3501static void
3502dump_sysfs_pstate_config(void)
3503{

--- 5 unchanged lines hidden (view full) ---

3509
3510 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_driver",
3511 base_cpu);
3512 input = fopen(path, "r");
3513 if (input == NULL) {
3514 fprintf(outf, "NSFOD %s\n", path);
3515 return;
3516 }
3515 fgets(driver_buf, sizeof(driver_buf), input);
3517 if (!fgets(driver_buf, sizeof(driver_buf), input))
3518 err(1, "%s: failed to read file", path);
3516 fclose(input);
3517
3518 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor",
3519 base_cpu);
3520 input = fopen(path, "r");
3521 if (input == NULL) {
3522 fprintf(outf, "NSFOD %s\n", path);
3523 return;
3524 }
3519 fclose(input);
3520
3521 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_governor",
3522 base_cpu);
3523 input = fopen(path, "r");
3524 if (input == NULL) {
3525 fprintf(outf, "NSFOD %s\n", path);
3526 return;
3527 }
3525 fgets(governor_buf, sizeof(governor_buf), input);
3528 if (!fgets(governor_buf, sizeof(governor_buf), input))
3529 err(1, "%s: failed to read file", path);
3526 fclose(input);
3527
3528 fprintf(outf, "cpu%d: cpufreq driver: %s", base_cpu, driver_buf);
3529 fprintf(outf, "cpu%d: cpufreq governor: %s", base_cpu, governor_buf);
3530
3531 sprintf(path, "/sys/devices/system/cpu/cpufreq/boost");
3532 input = fopen(path, "r");
3533 if (input != NULL) {
3530 fclose(input);
3531
3532 fprintf(outf, "cpu%d: cpufreq driver: %s", base_cpu, driver_buf);
3533 fprintf(outf, "cpu%d: cpufreq governor: %s", base_cpu, governor_buf);
3534
3535 sprintf(path, "/sys/devices/system/cpu/cpufreq/boost");
3536 input = fopen(path, "r");
3537 if (input != NULL) {
3534 fscanf(input, "%d", &turbo);
3538 if (fscanf(input, "%d", &turbo) != 1)
3539 err(1, "%s: failed to parse number from file", path);
3535 fprintf(outf, "cpufreq boost: %d\n", turbo);
3536 fclose(input);
3537 }
3538
3539 sprintf(path, "/sys/devices/system/cpu/intel_pstate/no_turbo");
3540 input = fopen(path, "r");
3541 if (input != NULL) {
3540 fprintf(outf, "cpufreq boost: %d\n", turbo);
3541 fclose(input);
3542 }
3543
3544 sprintf(path, "/sys/devices/system/cpu/intel_pstate/no_turbo");
3545 input = fopen(path, "r");
3546 if (input != NULL) {
3542 fscanf(input, "%d", &turbo);
3547 if (fscanf(input, "%d", &turbo) != 1)
3548 err(1, "%s: failed to parse number from file", path);
3543 fprintf(outf, "cpufreq intel_pstate no_turbo: %d\n", turbo);
3544 fclose(input);
3545 }
3546}
3547
3548
3549/*
3550 * print_epb()

--- 1908 unchanged lines hidden (view full) ---

5459
5460 for (state = 10; state >= 0; --state) {
5461
5462 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
5463 base_cpu, state);
5464 input = fopen(path, "r");
5465 if (input == NULL)
5466 continue;
3549 fprintf(outf, "cpufreq intel_pstate no_turbo: %d\n", turbo);
3550 fclose(input);
3551 }
3552}
3553
3554
3555/*
3556 * print_epb()

--- 1908 unchanged lines hidden (view full) ---

5465
5466 for (state = 10; state >= 0; --state) {
5467
5468 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
5469 base_cpu, state);
5470 input = fopen(path, "r");
5471 if (input == NULL)
5472 continue;
5467 fgets(name_buf, sizeof(name_buf), input);
5473 if (!fgets(name_buf, sizeof(name_buf), input))
5474 err(1, "%s: failed to read file", path);
5468
5469 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
5470 sp = strchr(name_buf, '-');
5471 if (!sp)
5472 sp = strchrnul(name_buf, '\n');
5473 *sp = '%';
5474 *(sp + 1) = '\0';
5475

--- 10 unchanged lines hidden (view full) ---

5486
5487 for (state = 10; state >= 0; --state) {
5488
5489 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
5490 base_cpu, state);
5491 input = fopen(path, "r");
5492 if (input == NULL)
5493 continue;
5475
5476 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
5477 sp = strchr(name_buf, '-');
5478 if (!sp)
5479 sp = strchrnul(name_buf, '\n');
5480 *sp = '%';
5481 *(sp + 1) = '\0';
5482

--- 10 unchanged lines hidden (view full) ---

5493
5494 for (state = 10; state >= 0; --state) {
5495
5496 sprintf(path, "/sys/devices/system/cpu/cpu%d/cpuidle/state%d/name",
5497 base_cpu, state);
5498 input = fopen(path, "r");
5499 if (input == NULL)
5500 continue;
5494 fgets(name_buf, sizeof(name_buf), input);
5501 if (!fgets(name_buf, sizeof(name_buf), input))
5502 err(1, "%s: failed to read file", path);
5495 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
5496 sp = strchr(name_buf, '-');
5497 if (!sp)
5498 sp = strchrnul(name_buf, '\n');
5499 *sp = '\0';
5500 fclose(input);
5501
5502 sprintf(path, "cpuidle/state%d/usage", state);

--- 253 unchanged lines hidden --- 		5503 /* truncate "C1-HSW\n" to "C1", or truncate "C1\n" to "C1" */
5504 sp = strchr(name_buf, '-');
5505 if (!sp)
5506 sp = strchrnul(name_buf, '\n');
5507 *sp = '\0';
5508 fclose(input);
5509
5510 sprintf(path, "cpuidle/state%d/usage", state);

--- 253 unchanged lines hidden ---