diff options
Diffstat (limited to 'tools/perf/util/expr.c')
-rw-r--r-- | tools/perf/util/expr.c | 97 |
1 files changed, 15 insertions, 82 deletions
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c index b2536a59c44e..f289044a1f7c 100644 --- a/tools/perf/util/expr.c +++ b/tools/perf/util/expr.c @@ -5,25 +5,22 @@ #include <stdlib.h> #include <string.h> #include "metricgroup.h" -#include "cpumap.h" -#include "cputopo.h" #include "debug.h" #include "evlist.h" #include "expr.h" +#include "smt.h" +#include "tool_pmu.h" #include <util/expr-bison.h> #include <util/expr-flex.h> #include "util/hashmap.h" #include "util/header.h" #include "util/pmu.h" -#include "smt.h" -#include "tsc.h" -#include <api/fs/fs.h> +#include <perf/cpumap.h> #include <linux/err.h> #include <linux/kernel.h> #include <linux/zalloc.h> #include <ctype.h> #include <math.h> -#include "pmu.h" struct expr_id_data { union { @@ -393,90 +390,26 @@ double expr_id_data__source_count(const struct expr_id_data *data) return data->val.source_count; } -#if !defined(__i386__) && !defined(__x86_64__) -double arch_get_tsc_freq(void) -{ - return 0.0; -} -#endif - -static double has_pmem(void) -{ - static bool has_pmem, cached; - const char *sysfs = sysfs__mountpoint(); - char path[PATH_MAX]; - - if (!cached) { - snprintf(path, sizeof(path), "%s/firmware/acpi/tables/NFIT", sysfs); - has_pmem = access(path, F_OK) == 0; - cached = true; - } - return has_pmem ? 1.0 : 0.0; -} - double expr__get_literal(const char *literal, const struct expr_scanner_ctx *ctx) { - const struct cpu_topology *topology; double result = NAN; + enum tool_pmu_event ev = tool_pmu__str_to_event(literal + 1); - if (!strcmp("#num_cpus", literal)) { - result = cpu__max_present_cpu().cpu; - goto out; - } - if (!strcmp("#num_cpus_online", literal)) { - struct perf_cpu_map *online = cpu_map__online(); - - if (online) - result = perf_cpu_map__nr(online); - goto out; - } + if (ev != TOOL_PMU__EVENT_NONE) { + u64 count; - if (!strcasecmp("#system_tsc_freq", literal)) { - result = arch_get_tsc_freq(); - goto out; - } + if (tool_pmu__read_event(ev, &count)) + result = count; + else + pr_err("Failure to read '%s'", literal); - /* - * Assume that topology strings are consistent, such as CPUs "0-1" - * wouldn't be listed as "0,1", and so after deduplication the number of - * these strings gives an indication of the number of packages, dies, - * etc. - */ - if (!strcasecmp("#smt_on", literal)) { - result = smt_on() ? 1.0 : 0.0; - goto out; - } - if (!strcmp("#core_wide", literal)) { + } else if (!strcmp("#core_wide", literal)) { result = core_wide(ctx->system_wide, ctx->user_requested_cpu_list) ? 1.0 : 0.0; - goto out; - } - if (!strcmp("#num_packages", literal)) { - topology = online_topology(); - result = topology->package_cpus_lists; - goto out; - } - if (!strcmp("#num_dies", literal)) { - topology = online_topology(); - result = topology->die_cpus_lists; - goto out; - } - if (!strcmp("#num_cores", literal)) { - topology = online_topology(); - result = topology->core_cpus_lists; - goto out; - } - if (!strcmp("#slots", literal)) { - result = perf_pmu__cpu_slots_per_cycle(); - goto out; - } - if (!strcmp("#has_pmem", literal)) { - result = has_pmem(); - goto out; + } else { + pr_err("Unrecognized literal '%s'", literal); } - pr_err("Unrecognized literal '%s'", literal); -out: pr_debug2("literal: %s = %f\n", literal, result); return result; } @@ -523,8 +456,8 @@ double expr__strcmp_cpuid_str(const struct expr_parse_ctx *ctx __maybe_unused, bool compute_ids __maybe_unused, const char *test_id) { double ret; - struct perf_pmu *pmu = perf_pmus__find_core_pmu(); - char *cpuid = perf_pmu__getcpuid(pmu); + struct perf_cpu cpu = {-1}; + char *cpuid = get_cpuid_allow_env_override(cpu); if (!cpuid) return NAN; |