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| author | Zhang Rui <rui.zhang@intel.com> | 2023-08-31 16:01:36 +0800 |
|---|---|---|
| committer | Zhang Rui <rui.zhang@intel.com> | 2023-09-27 22:14:20 +0800 |
| commit | e7d7b82de192464b733fb2bcc9e305ea6f6ea47e (patch) | |
| tree | e66bc08b6a502b43a92ef51e3953e1d6bc760f7a /tools/power | |
| parent | 2538d1673d02f66f6bdf01eebf36e271228778e9 (diff) | |
| download | linux-e7d7b82de192464b733fb2bcc9e305ea6f6ea47e.tar.gz linux-e7d7b82de192464b733fb2bcc9e305ea6f6ea47e.tar.bz2 linux-e7d7b82de192464b733fb2bcc9e305ea6f6ea47e.zip | |
tools/power/turbostat: Relocate lpi probing code
Introduce probe_lpi(), and move all lpi probing related code into it.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'tools/power')
| -rw-r--r-- | tools/power/x86/turbostat/turbostat.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index feff9ecff368..ad9147757d5a 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -5374,6 +5374,26 @@ void probe_cstates(void) dump_sysfs_cstate_config(); } +void probe_lpi(void) +{ + if (!access("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", R_OK)) + BIC_PRESENT(BIC_CPU_LPI); + else + BIC_NOT_PRESENT(BIC_CPU_LPI); + + if (!access(sys_lpi_file_sysfs, R_OK)) { + sys_lpi_file = sys_lpi_file_sysfs; + BIC_PRESENT(BIC_SYS_LPI); + } else if (!access(sys_lpi_file_debugfs, R_OK)) { + sys_lpi_file = sys_lpi_file_debugfs; + BIC_PRESENT(BIC_SYS_LPI); + } else { + sys_lpi_file_sysfs = NULL; + BIC_NOT_PRESENT(BIC_SYS_LPI); + } + +} + void probe_pstates(void) { probe_bclk(); @@ -5570,6 +5590,8 @@ void process_cpuid() probe_cstates(); + probe_lpi(); + probe_intel_uncore_frequency(); probe_graphics(); @@ -5579,27 +5601,11 @@ void process_cpuid() if (platform->has_nhm_msrs) BIC_PRESENT(BIC_SMI); - if (!access("/sys/devices/system/cpu/cpuidle/low_power_idle_cpu_residency_us", R_OK)) - BIC_PRESENT(BIC_CPU_LPI); - else - BIC_NOT_PRESENT(BIC_CPU_LPI); - if (!access("/sys/devices/system/cpu/cpu0/thermal_throttle/core_throttle_count", R_OK)) BIC_PRESENT(BIC_CORE_THROT_CNT); else BIC_NOT_PRESENT(BIC_CORE_THROT_CNT); - if (!access(sys_lpi_file_sysfs, R_OK)) { - sys_lpi_file = sys_lpi_file_sysfs; - BIC_PRESENT(BIC_SYS_LPI); - } else if (!access(sys_lpi_file_debugfs, R_OK)) { - sys_lpi_file = sys_lpi_file_debugfs; - BIC_PRESENT(BIC_SYS_LPI); - } else { - sys_lpi_file_sysfs = NULL; - BIC_NOT_PRESENT(BIC_SYS_LPI); - } - if (!quiet) decode_misc_feature_control(); |