diff options
Diffstat (limited to 'tools/power/x86')
| -rw-r--r-- | tools/power/x86/turbostat/turbostat.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index e5e01b58992e..b4a892bf22bf 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -1160,6 +1160,37 @@ struct sys_counters { struct msr_counter *pp; } sys; +void free_sys_counters(void) +{ + struct msr_counter *p = sys.tp, *pnext = NULL; + while (p) { + pnext = p->next; + free(p); + p = pnext; + } + + p = sys.cp, pnext = NULL; + while (p) { + pnext = p->next; + free(p); + p = pnext; + } + + p = sys.pp, pnext = NULL; + while (p) { + pnext = p->next; + free(p); + p = pnext; + } + + sys.added_thread_counters = 0; + sys.added_core_counters = 0; + sys.added_package_counters = 0; + sys.tp = NULL; + sys.cp = NULL; + sys.pp = NULL; +} + struct system_summary { struct thread_data threads; struct core_data cores; @@ -1315,6 +1346,8 @@ static void bic_disable_msr_access(void) BIC_Pkgpc2 | BIC_Pkgpc3 | BIC_Pkgpc6 | BIC_Pkgpc7 | BIC_Pkgpc8 | BIC_Pkgpc9 | BIC_Pkgpc10 | BIC_PkgTmp; bic_enabled &= ~bic_msrs; + + free_sys_counters(); } static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid, int cpu, int group_fd, unsigned long flags) @@ -6601,12 +6634,24 @@ static void set_amperf_source(void) fprintf(outf, "aperf/mperf source preference: %s\n", amperf_source == AMPERF_SOURCE_MSR ? "msr" : "perf"); } +bool has_added_counters(void) +{ + /* + * It only makes sense to call this after the command line is parsed, + * otherwise sys structure is not populated. + */ + + return sys.added_core_counters | sys.added_thread_counters | sys.added_package_counters; +} + bool is_msr_access_required(void) { - /* TODO: add detection for dynamic counters from add_counter() */ if (no_msr) return false; + if (has_added_counters()) + return true; + return BIC_IS_ENABLED(BIC_SMI) || BIC_IS_ENABLED(BIC_CPU_c1) || BIC_IS_ENABLED(BIC_CPU_c3) |