From 16ca05511b90ba3204fccdad28b5526ba10263cf Mon Sep 17 00:00:00 2001 From: Karel Zak Date: Fri, 15 Mar 2019 13:33:40 +0100 Subject: lscpu: add 'Frequency boost' Show turbo boost status on platforms where is available a file /sys/devices/system/cpu/cpufreq/boost. Addresses: https://github.com/karelzak/util-linux/issues/755 Signed-off-by: Karel Zak --- sys-utils/lscpu.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'sys-utils/lscpu.c') diff --git a/sys-utils/lscpu.c b/sys-utils/lscpu.c index 245be6e5c..1d78dac36 100644 --- a/sys-utils/lscpu.c +++ b/sys-utils/lscpu.c @@ -508,6 +508,10 @@ read_basicinfo(struct lscpu_desc *desc, struct lscpu_modifier *mod) if (ul_path_read_s32(desc->syscpu, &desc->dispatching, "dispatching") != 0) desc->dispatching = -1; + /* get cpufreq boost mode */ + if (ul_path_read_s32(desc->syscpu, &desc->freqboost, "cpufreq/boost") != 0) + desc->freqboost = -1; + if (mod->system == SYSTEM_LIVE) read_physical_info_powerpc(desc); @@ -1837,6 +1841,9 @@ print_summary(struct lscpu_desc *desc, struct lscpu_modifier *mod) add_summary_s(tb, _("Model name:"), desc->cpu ? desc->cpu : desc->modelname); if (desc->stepping) add_summary_s(tb, _("Stepping:"), desc->stepping); + if (desc->freqboost >= 0) + add_summary_s(tb, _("Frequency boost:"), desc->freqboost ? + _("enabled") : _("disabled")); if (desc->mhz) add_summary_s(tb, _("CPU MHz:"), desc->mhz); if (desc->dynamic_mhz) -- cgit v1.2.3-55-g7522