From: Leo Yan <leo.yan@linaro.org> To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>, Ian Rogers <irogers@google.com>, John Garry <john.g.garry@oracle.com>, James Clark <james.clark@arm.com>, Adrian Hunter <adrian.hunter@intel.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan <leo.yan@linaro.org> Subject: [PATCH v5 10/16] perf kvm: Add dimensions for KVM event statistics Date: Wed, 15 Mar 2023 22:51:06 +0800 [thread overview] Message-ID: <20230315145112.186603-11-leo.yan@linaro.org> (raw) In-Reply-To: <20230315145112.186603-1-leo.yan@linaro.org> To support KVM event statistics, this patch firstly registers histograms columns and sorting fields; every column or field has its own format structure, the format structure is dereferenced to access the dimension, finally the dimension provides the comparison callback for sorting result. Signed-off-by: Leo Yan <leo.yan@linaro.org> --- tools/perf/builtin-kvm.c | 232 ++++++++++++++++++++++++++++++++++++- tools/perf/util/kvm-stat.h | 2 + 2 files changed, 230 insertions(+), 4 deletions(-) diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index fa91c8deb628..3f601ccb7aab 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -70,9 +70,9 @@ static int64_t cmp_event_ ## func(struct kvm_event *one, \ get_event_ ##func(two, vcpu); \ } -GET_EVENT_KEY(time, time); -GET_EVENT_KEY(max, stats.max); -GET_EVENT_KEY(min, stats.min); +COMPARE_EVENT_KEY(time, time); +COMPARE_EVENT_KEY(max, stats.max); +COMPARE_EVENT_KEY(min, stats.min); COMPARE_EVENT_KEY(count, stats.n); COMPARE_EVENT_KEY(mean, stats.mean); @@ -90,13 +90,237 @@ struct kvm_hists { struct perf_hpp_list list; }; +struct kvm_dimension { + const char *name; + int64_t (*cmp)(struct perf_hpp_fmt *fmt, struct hist_entry *left, + struct hist_entry *right); +}; + +struct kvm_fmt { + struct perf_hpp_fmt fmt; + struct kvm_dimension *dim; +}; + static struct kvm_hists kvm_hists; +static int64_t ev_name_cmp(struct perf_hpp_fmt *fmt __maybe_unused, + struct hist_entry *left, + struct hist_entry *right) +{ + /* Return opposite number for sorting in alphabetical order */ + return -strcmp(left->kvm_info->name, right->kvm_info->name); +} + +static struct kvm_dimension dim_event = { + .name = "ev_name", + .cmp = ev_name_cmp, +}; + +#define EV_METRIC_CMP(metric) \ +static int64_t ev_cmp_##metric(struct perf_hpp_fmt *fmt __maybe_unused, \ + struct hist_entry *left, \ + struct hist_entry *right) \ +{ \ + struct kvm_event *event_left; \ + struct kvm_event *event_right; \ + struct perf_kvm_stat *perf_kvm; \ + \ + event_left = container_of(left, struct kvm_event, he); \ + event_right = container_of(right, struct kvm_event, he); \ + \ + perf_kvm = event_left->perf_kvm; \ + return cmp_event_##metric(event_left, event_right, \ + perf_kvm->trace_vcpu); \ +} + +EV_METRIC_CMP(time) +EV_METRIC_CMP(count) +EV_METRIC_CMP(max) +EV_METRIC_CMP(min) +EV_METRIC_CMP(mean) + +static struct kvm_dimension dim_time = { + .name = "time", + .cmp = ev_cmp_time, +}; + +static struct kvm_dimension dim_count = { + .name = "sample", + .cmp = ev_cmp_count, +}; + +static struct kvm_dimension dim_max_time = { + .name = "max_t", + .cmp = ev_cmp_max, +}; + +static struct kvm_dimension dim_min_time = { + .name = "min_t", + .cmp = ev_cmp_min, +}; + +static struct kvm_dimension dim_mean_time = { + .name = "mean_t", + .cmp = ev_cmp_mean, +}; + +static struct kvm_dimension *dimensions[] = { + &dim_event, + &dim_time, + &dim_count, + &dim_max_time, + &dim_min_time, + &dim_mean_time, + NULL, +}; + +static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b) +{ + struct kvm_fmt *kvm_fmt_a = container_of(a, struct kvm_fmt, fmt); + struct kvm_fmt *kvm_fmt_b = container_of(b, struct kvm_fmt, fmt); + + return kvm_fmt_a->dim == kvm_fmt_b->dim; +} + +static void fmt_free(struct perf_hpp_fmt *fmt) +{ + struct kvm_fmt *kvm_fmt; + + kvm_fmt = container_of(fmt, struct kvm_fmt, fmt); + free(kvm_fmt); +} + +static struct kvm_dimension *get_dimension(const char *name) +{ + unsigned int i; + + for (i = 0; dimensions[i] != NULL; i++) { + if (!strcmp(dimensions[i]->name, name)) + return dimensions[i]; + } + + return NULL; +} + +static struct kvm_fmt *get_format(const char *name) +{ + struct kvm_dimension *dim = get_dimension(name); + struct kvm_fmt *kvm_fmt; + struct perf_hpp_fmt *fmt; + + if (!dim) + return NULL; + + kvm_fmt = zalloc(sizeof(*kvm_fmt)); + if (!kvm_fmt) + return NULL; + + kvm_fmt->dim = dim; + + fmt = &kvm_fmt->fmt; + INIT_LIST_HEAD(&fmt->list); + INIT_LIST_HEAD(&fmt->sort_list); + fmt->cmp = dim->cmp; + fmt->sort = dim->cmp; + fmt->color = NULL; + fmt->entry = NULL; + fmt->header = NULL; + fmt->width = NULL; + fmt->collapse = dim->cmp; + fmt->equal = fmt_equal; + fmt->free = fmt_free; + + return kvm_fmt; +} + +static int kvm_hists__init_output(struct perf_hpp_list *hpp_list, char *name) +{ + struct kvm_fmt *kvm_fmt = get_format(name); + + if (!kvm_fmt) { + pr_warning("Fail to find format for output field %s.\n", name); + return -EINVAL; + } + + perf_hpp_list__column_register(hpp_list, &kvm_fmt->fmt); + return 0; +} + +static int kvm_hists__init_sort(struct perf_hpp_list *hpp_list, char *name) +{ + struct kvm_fmt *kvm_fmt = get_format(name); + + if (!kvm_fmt) { + pr_warning("Fail to find format for sorting %s.\n", name); + return -EINVAL; + } + + perf_hpp_list__register_sort_field(hpp_list, &kvm_fmt->fmt); + return 0; +} + +static int kvm_hpp_list__init(char *list, + struct perf_hpp_list *hpp_list, + int (*fn)(struct perf_hpp_list *hpp_list, + char *name)) +{ + char *tmp, *tok; + int ret; + + if (!list || !fn) + return 0; + + for (tok = strtok_r(list, ", ", &tmp); tok; + tok = strtok_r(NULL, ", ", &tmp)) { + ret = fn(hpp_list, tok); + if (!ret) + continue; + + /* Handle errors */ + if (ret == -EINVAL) + pr_err("Invalid field key: '%s'", tok); + else if (ret == -ESRCH) + pr_err("Unknown field key: '%s'", tok); + else + pr_err("Fail to initialize for field key: '%s'", tok); + + break; + } + + return ret; +} + +static int kvm_hpp_list__parse(struct perf_hpp_list *hpp_list, + const char *output_, const char *sort_) +{ + char *output = output_ ? strdup(output_) : NULL; + char *sort = sort_ ? strdup(sort_) : NULL; + int ret; + + ret = kvm_hpp_list__init(output, hpp_list, kvm_hists__init_output); + if (ret) + goto out; + + ret = kvm_hpp_list__init(sort, hpp_list, kvm_hists__init_sort); + if (ret) + goto out; + + /* Copy sort keys to output fields */ + perf_hpp__setup_output_field(hpp_list); + + /* and then copy output fields to sort keys */ + perf_hpp__append_sort_keys(hpp_list); +out: + free(output); + free(sort); + return ret; +} + static int kvm_hists__init(void) { __hists__init(&kvm_hists.hists, &kvm_hists.list); perf_hpp_list__init(&kvm_hists.list); - return 0; + return kvm_hpp_list__parse(&kvm_hists.list, NULL, "ev_name"); } static const char *get_filename_for_perf_kvm(void) diff --git a/tools/perf/util/kvm-stat.h b/tools/perf/util/kvm-stat.h index 0cf704333c4c..fc30a72dfac1 100644 --- a/tools/perf/util/kvm-stat.h +++ b/tools/perf/util/kvm-stat.h @@ -46,6 +46,8 @@ struct kvm_event { #define DEFAULT_VCPU_NUM 8 int max_vcpu; struct kvm_event_stats *vcpu; + + struct hist_entry he; }; typedef int64_t (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int); -- 2.34.1
WARNING: multiple messages have this Message-ID (diff)
From: Leo Yan <leo.yan@linaro.org> To: Arnaldo Carvalho de Melo <acme@kernel.org>, Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>, Ian Rogers <irogers@google.com>, John Garry <john.g.garry@oracle.com>, James Clark <james.clark@arm.com>, Adrian Hunter <adrian.hunter@intel.com>, Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>, Mark Rutland <mark.rutland@arm.com>, Alexander Shishkin <alexander.shishkin@linux.intel.com>, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Leo Yan <leo.yan@linaro.org> Subject: [PATCH v5 10/16] perf kvm: Add dimensions for KVM event statistics Date: Wed, 15 Mar 2023 22:51:06 +0800 [thread overview] Message-ID: <20230315145112.186603-11-leo.yan@linaro.org> (raw) In-Reply-To: <20230315145112.186603-1-leo.yan@linaro.org> To support KVM event statistics, this patch firstly registers histograms columns and sorting fields; every column or field has its own format structure, the format structure is dereferenced to access the dimension, finally the dimension provides the comparison callback for sorting result. Signed-off-by: Leo Yan <leo.yan@linaro.org> --- tools/perf/builtin-kvm.c | 232 ++++++++++++++++++++++++++++++++++++- tools/perf/util/kvm-stat.h | 2 + 2 files changed, 230 insertions(+), 4 deletions(-) diff --git a/tools/perf/builtin-kvm.c b/tools/perf/builtin-kvm.c index fa91c8deb628..3f601ccb7aab 100644 --- a/tools/perf/builtin-kvm.c +++ b/tools/perf/builtin-kvm.c @@ -70,9 +70,9 @@ static int64_t cmp_event_ ## func(struct kvm_event *one, \ get_event_ ##func(two, vcpu); \ } -GET_EVENT_KEY(time, time); -GET_EVENT_KEY(max, stats.max); -GET_EVENT_KEY(min, stats.min); +COMPARE_EVENT_KEY(time, time); +COMPARE_EVENT_KEY(max, stats.max); +COMPARE_EVENT_KEY(min, stats.min); COMPARE_EVENT_KEY(count, stats.n); COMPARE_EVENT_KEY(mean, stats.mean); @@ -90,13 +90,237 @@ struct kvm_hists { struct perf_hpp_list list; }; +struct kvm_dimension { + const char *name; + int64_t (*cmp)(struct perf_hpp_fmt *fmt, struct hist_entry *left, + struct hist_entry *right); +}; + +struct kvm_fmt { + struct perf_hpp_fmt fmt; + struct kvm_dimension *dim; +}; + static struct kvm_hists kvm_hists; +static int64_t ev_name_cmp(struct perf_hpp_fmt *fmt __maybe_unused, + struct hist_entry *left, + struct hist_entry *right) +{ + /* Return opposite number for sorting in alphabetical order */ + return -strcmp(left->kvm_info->name, right->kvm_info->name); +} + +static struct kvm_dimension dim_event = { + .name = "ev_name", + .cmp = ev_name_cmp, +}; + +#define EV_METRIC_CMP(metric) \ +static int64_t ev_cmp_##metric(struct perf_hpp_fmt *fmt __maybe_unused, \ + struct hist_entry *left, \ + struct hist_entry *right) \ +{ \ + struct kvm_event *event_left; \ + struct kvm_event *event_right; \ + struct perf_kvm_stat *perf_kvm; \ + \ + event_left = container_of(left, struct kvm_event, he); \ + event_right = container_of(right, struct kvm_event, he); \ + \ + perf_kvm = event_left->perf_kvm; \ + return cmp_event_##metric(event_left, event_right, \ + perf_kvm->trace_vcpu); \ +} + +EV_METRIC_CMP(time) +EV_METRIC_CMP(count) +EV_METRIC_CMP(max) +EV_METRIC_CMP(min) +EV_METRIC_CMP(mean) + +static struct kvm_dimension dim_time = { + .name = "time", + .cmp = ev_cmp_time, +}; + +static struct kvm_dimension dim_count = { + .name = "sample", + .cmp = ev_cmp_count, +}; + +static struct kvm_dimension dim_max_time = { + .name = "max_t", + .cmp = ev_cmp_max, +}; + +static struct kvm_dimension dim_min_time = { + .name = "min_t", + .cmp = ev_cmp_min, +}; + +static struct kvm_dimension dim_mean_time = { + .name = "mean_t", + .cmp = ev_cmp_mean, +}; + +static struct kvm_dimension *dimensions[] = { + &dim_event, + &dim_time, + &dim_count, + &dim_max_time, + &dim_min_time, + &dim_mean_time, + NULL, +}; + +static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b) +{ + struct kvm_fmt *kvm_fmt_a = container_of(a, struct kvm_fmt, fmt); + struct kvm_fmt *kvm_fmt_b = container_of(b, struct kvm_fmt, fmt); + + return kvm_fmt_a->dim == kvm_fmt_b->dim; +} + +static void fmt_free(struct perf_hpp_fmt *fmt) +{ + struct kvm_fmt *kvm_fmt; + + kvm_fmt = container_of(fmt, struct kvm_fmt, fmt); + free(kvm_fmt); +} + +static struct kvm_dimension *get_dimension(const char *name) +{ + unsigned int i; + + for (i = 0; dimensions[i] != NULL; i++) { + if (!strcmp(dimensions[i]->name, name)) + return dimensions[i]; + } + + return NULL; +} + +static struct kvm_fmt *get_format(const char *name) +{ + struct kvm_dimension *dim = get_dimension(name); + struct kvm_fmt *kvm_fmt; + struct perf_hpp_fmt *fmt; + + if (!dim) + return NULL; + + kvm_fmt = zalloc(sizeof(*kvm_fmt)); + if (!kvm_fmt) + return NULL; + + kvm_fmt->dim = dim; + + fmt = &kvm_fmt->fmt; + INIT_LIST_HEAD(&fmt->list); + INIT_LIST_HEAD(&fmt->sort_list); + fmt->cmp = dim->cmp; + fmt->sort = dim->cmp; + fmt->color = NULL; + fmt->entry = NULL; + fmt->header = NULL; + fmt->width = NULL; + fmt->collapse = dim->cmp; + fmt->equal = fmt_equal; + fmt->free = fmt_free; + + return kvm_fmt; +} + +static int kvm_hists__init_output(struct perf_hpp_list *hpp_list, char *name) +{ + struct kvm_fmt *kvm_fmt = get_format(name); + + if (!kvm_fmt) { + pr_warning("Fail to find format for output field %s.\n", name); + return -EINVAL; + } + + perf_hpp_list__column_register(hpp_list, &kvm_fmt->fmt); + return 0; +} + +static int kvm_hists__init_sort(struct perf_hpp_list *hpp_list, char *name) +{ + struct kvm_fmt *kvm_fmt = get_format(name); + + if (!kvm_fmt) { + pr_warning("Fail to find format for sorting %s.\n", name); + return -EINVAL; + } + + perf_hpp_list__register_sort_field(hpp_list, &kvm_fmt->fmt); + return 0; +} + +static int kvm_hpp_list__init(char *list, + struct perf_hpp_list *hpp_list, + int (*fn)(struct perf_hpp_list *hpp_list, + char *name)) +{ + char *tmp, *tok; + int ret; + + if (!list || !fn) + return 0; + + for (tok = strtok_r(list, ", ", &tmp); tok; + tok = strtok_r(NULL, ", ", &tmp)) { + ret = fn(hpp_list, tok); + if (!ret) + continue; + + /* Handle errors */ + if (ret == -EINVAL) + pr_err("Invalid field key: '%s'", tok); + else if (ret == -ESRCH) + pr_err("Unknown field key: '%s'", tok); + else + pr_err("Fail to initialize for field key: '%s'", tok); + + break; + } + + return ret; +} + +static int kvm_hpp_list__parse(struct perf_hpp_list *hpp_list, + const char *output_, const char *sort_) +{ + char *output = output_ ? strdup(output_) : NULL; + char *sort = sort_ ? strdup(sort_) : NULL; + int ret; + + ret = kvm_hpp_list__init(output, hpp_list, kvm_hists__init_output); + if (ret) + goto out; + + ret = kvm_hpp_list__init(sort, hpp_list, kvm_hists__init_sort); + if (ret) + goto out; + + /* Copy sort keys to output fields */ + perf_hpp__setup_output_field(hpp_list); + + /* and then copy output fields to sort keys */ + perf_hpp__append_sort_keys(hpp_list); +out: + free(output); + free(sort); + return ret; +} + static int kvm_hists__init(void) { __hists__init(&kvm_hists.hists, &kvm_hists.list); perf_hpp_list__init(&kvm_hists.list); - return 0; + return kvm_hpp_list__parse(&kvm_hists.list, NULL, "ev_name"); } static const char *get_filename_for_perf_kvm(void) diff --git a/tools/perf/util/kvm-stat.h b/tools/perf/util/kvm-stat.h index 0cf704333c4c..fc30a72dfac1 100644 --- a/tools/perf/util/kvm-stat.h +++ b/tools/perf/util/kvm-stat.h @@ -46,6 +46,8 @@ struct kvm_event { #define DEFAULT_VCPU_NUM 8 int max_vcpu; struct kvm_event_stats *vcpu; + + struct hist_entry he; }; typedef int64_t (*key_cmp_fun)(struct kvm_event*, struct kvm_event*, int); -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2023-03-15 14:53 UTC|newest] Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-03-15 14:50 [PATCH v5 00/16] perf kvm: Support histograms and TUI mode Leo Yan 2023-03-15 14:50 ` Leo Yan 2023-03-15 14:50 ` [PATCH v5 01/16] perf kvm: Refactor overall statistics Leo Yan 2023-03-15 14:50 ` Leo Yan 2023-03-15 14:50 ` [PATCH v5 02/16] perf kvm: Add pointer to 'perf_kvm_stat' in kvm event Leo Yan 2023-03-15 14:50 ` Leo Yan 2023-03-15 14:50 ` [PATCH v5 03/16] perf kvm: Move up metrics helpers Leo Yan 2023-03-15 14:50 ` Leo Yan 2023-03-15 19:44 ` Arnaldo Carvalho de Melo 2023-03-15 19:44 ` Arnaldo Carvalho de Melo 2023-03-15 14:51 ` [PATCH v5 04/16] perf kvm: Use subtraction for comparison metrics Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 14:51 ` [PATCH v5 05/16] perf kvm: Use macro to replace variable 'decode_str_len' Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 14:51 ` [PATCH v5 06/16] perf kvm: Introduce histograms data structures Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 19:45 ` Arnaldo Carvalho de Melo 2023-03-15 19:45 ` Arnaldo Carvalho de Melo 2023-03-16 3:02 ` Leo Yan 2023-03-16 3:02 ` Leo Yan 2023-03-15 14:51 ` [PATCH v5 07/16] perf kvm: Pass argument 'sample' to kvm_alloc_init_event() Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 14:51 ` [PATCH v5 08/16] perf kvm: Parse address location for samples Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 14:51 ` [PATCH v5 09/16] perf hist: Add 'kvm_info' field in histograms entry Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 14:51 ` Leo Yan [this message] 2023-03-15 14:51 ` [PATCH v5 10/16] perf kvm: Add dimensions for KVM event statistics Leo Yan 2023-03-15 14:51 ` [PATCH v5 11/16] perf kvm: Use histograms list to replace cached list Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-16 7:42 ` Namhyung Kim 2023-03-16 7:42 ` Namhyung Kim 2023-03-16 9:04 ` Leo Yan 2023-03-16 9:04 ` Leo Yan 2023-03-16 10:13 ` Arnaldo Carvalho de Melo 2023-03-16 10:13 ` Arnaldo Carvalho de Melo 2023-03-16 15:14 ` Leo Yan 2023-03-16 15:14 ` Leo Yan 2023-03-15 14:51 ` [PATCH v5 12/16] perf kvm: Polish sorting key Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 14:51 ` [PATCH v5 13/16] perf kvm: Support printing attributions for dimensions Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 14:51 ` [PATCH v5 14/16] perf kvm: Add dimensions for percentages Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 14:51 ` [PATCH v5 15/16] perf kvm: Add TUI mode for stat report Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 14:51 ` [PATCH v5 16/16] perf kvm: Update documentation to reflect new changes Leo Yan 2023-03-15 14:51 ` Leo Yan 2023-03-15 19:35 ` [PATCH v5 00/16] perf kvm: Support histograms and TUI mode Arnaldo Carvalho de Melo 2023-03-15 19:35 ` Arnaldo Carvalho de Melo 2023-03-16 3:10 ` Leo Yan 2023-03-16 3:10 ` Leo Yan 2023-03-16 10:11 ` Arnaldo Carvalho de Melo 2023-03-16 10:11 ` Arnaldo Carvalho de Melo
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