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-rw-r--r--tools/perf/builtin-mem.c510
1 files changed, 411 insertions, 99 deletions
diff --git a/tools/perf/builtin-mem.c b/tools/perf/builtin-mem.c
index a8ff6d264e50..d43500b92a7b 100644
--- a/tools/perf/builtin-mem.c
+++ b/tools/perf/builtin-mem.c
@@ -1,161 +1,379 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <errno.h>
+#include <inttypes.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
#include "builtin.h"
#include "perf.h"
-#include "util/parse-options.h"
+#include <subcmd/parse-options.h>
+#include "util/auxtrace.h"
#include "util/trace-event.h"
#include "util/tool.h"
#include "util/session.h"
-
-#define MEM_OPERATION_LOAD "load"
-#define MEM_OPERATION_STORE "store"
-
-static const char *mem_operation = MEM_OPERATION_LOAD;
+#include "util/data.h"
+#include "util/map_symbol.h"
+#include "util/mem-events.h"
+#include "util/debug.h"
+#include "util/dso.h"
+#include "util/map.h"
+#include "util/symbol.h"
+#include "util/pmus.h"
+#include "util/sample.h"
+#include "util/sort.h"
+#include "util/string2.h"
+#include "util/util.h"
+#include <linux/err.h>
+
+#define MEM_OPERATION_LOAD 0x1
+#define MEM_OPERATION_STORE 0x2
struct perf_mem {
struct perf_tool tool;
- char const *input_name;
- symbol_filter_t annotate_init;
+ const char *input_name;
+ const char *sort_key;
bool hide_unresolved;
bool dump_raw;
+ bool force;
+ bool phys_addr;
+ bool data_page_size;
+ bool all_kernel;
+ bool all_user;
+ bool data_type;
+ int operation;
const char *cpu_list;
DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS);
};
-static const char * const mem_usage[] = {
- "perf mem [<options>] {record <command> |report}",
- NULL
-};
+static int parse_record_events(const struct option *opt,
+ const char *str, int unset __maybe_unused)
+{
+ struct perf_mem *mem = (struct perf_mem *)opt->value;
+ struct perf_pmu *pmu;
+
+ pmu = perf_mem_events_find_pmu();
+ if (!pmu) {
+ pr_err("failed: there is no PMU that supports perf mem\n");
+ exit(-1);
+ }
+
+ if (!strcmp(str, "list")) {
+ perf_pmu__mem_events_list(pmu);
+ exit(0);
+ }
+ if (perf_pmu__mem_events_parse(pmu, str))
+ exit(-1);
+
+ mem->operation = 0;
+ return 0;
+}
-static int __cmd_record(int argc, const char **argv)
+static int __cmd_record(int argc, const char **argv, struct perf_mem *mem,
+ const struct option *options)
{
int rec_argc, i = 0, j;
+ int start, end;
const char **rec_argv;
- char event[64];
+ char *event_name_storage = NULL;
int ret;
+ struct perf_mem_event *e;
+ struct perf_pmu *pmu;
+ const char * const record_usage[] = {
+ "perf mem record [<options>] [<command>]",
+ "perf mem record [<options>] -- <command> [<options>]",
+ NULL
+ };
+
+ pmu = perf_mem_events_find_pmu();
+ if (!pmu) {
+ pr_err("failed: no PMU supports the memory events\n");
+ return -1;
+ }
+
+ if (perf_pmu__mem_events_init()) {
+ pr_err("failed: memory events not supported\n");
+ return -1;
+ }
+
+ argc = parse_options(argc, argv, options, record_usage,
+ PARSE_OPT_KEEP_UNKNOWN);
+
+ /* Max number of arguments multiplied by number of PMUs that can support them. */
+ rec_argc = argc + 9 * (perf_pmu__mem_events_num_mem_pmus(pmu) + 1);
+
+ if (mem->cpu_list)
+ rec_argc += 2;
- rec_argc = argc + 4;
rec_argv = calloc(rec_argc + 1, sizeof(char *));
if (!rec_argv)
return -1;
- rec_argv[i++] = strdup("record");
- if (!strcmp(mem_operation, MEM_OPERATION_LOAD))
- rec_argv[i++] = strdup("-W");
- rec_argv[i++] = strdup("-d");
- rec_argv[i++] = strdup("-e");
+ rec_argv[i++] = "record";
- if (strcmp(mem_operation, MEM_OPERATION_LOAD))
- sprintf(event, "cpu/mem-stores/pp");
- else
- sprintf(event, "cpu/mem-loads/pp");
+ e = perf_pmu__mem_events_ptr(pmu, PERF_MEM_EVENTS__LOAD_STORE);
+
+ /*
+ * The load and store operations are required, use the event
+ * PERF_MEM_EVENTS__LOAD_STORE if it is supported.
+ */
+ if (e->tag &&
+ (mem->operation & MEM_OPERATION_LOAD) &&
+ (mem->operation & MEM_OPERATION_STORE)) {
+ perf_mem_record[PERF_MEM_EVENTS__LOAD_STORE] = true;
+ rec_argv[i++] = "-W";
+ } else {
+ if (mem->operation & MEM_OPERATION_LOAD)
+ perf_mem_record[PERF_MEM_EVENTS__LOAD] = true;
+
+ if (mem->operation & MEM_OPERATION_STORE)
+ perf_mem_record[PERF_MEM_EVENTS__STORE] = true;
+ }
- rec_argv[i++] = strdup(event);
- for (j = 1; j < argc; j++, i++)
+ if (perf_mem_record[PERF_MEM_EVENTS__LOAD])
+ rec_argv[i++] = "-W";
+
+ rec_argv[i++] = "-d";
+
+ if (mem->phys_addr)
+ rec_argv[i++] = "--phys-data";
+
+ if (mem->data_page_size)
+ rec_argv[i++] = "--data-page-size";
+
+ start = i;
+ ret = perf_mem_events__record_args(rec_argv, &i, &event_name_storage);
+ if (ret)
+ goto out;
+ end = i;
+
+ if (mem->all_user)
+ rec_argv[i++] = "--all-user";
+
+ if (mem->all_kernel)
+ rec_argv[i++] = "--all-kernel";
+
+ if (mem->cpu_list) {
+ rec_argv[i++] = "-C";
+ rec_argv[i++] = mem->cpu_list;
+ }
+
+ for (j = 0; j < argc; j++, i++)
rec_argv[i] = argv[j];
- ret = cmd_record(i, rec_argv, NULL);
+ if (verbose > 0) {
+ pr_debug("calling: record ");
+
+ for (j = start; j < end; j++)
+ pr_debug("%s ", rec_argv[j]);
+
+ pr_debug("\n");
+ }
+
+ ret = cmd_record(i, rec_argv);
+out:
+ free(event_name_storage);
free(rec_argv);
return ret;
}
static int
-dump_raw_samples(struct perf_tool *tool,
+dump_raw_samples(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel __maybe_unused,
struct machine *machine)
{
struct perf_mem *mem = container_of(tool, struct perf_mem, tool);
struct addr_location al;
- const char *fmt;
+ const char *fmt, *field_sep;
+ char str[PAGE_SIZE_NAME_LEN];
+ struct dso *dso = NULL;
- if (perf_event__preprocess_sample(event, machine, &al, sample,
- mem->annotate_init) < 0) {
+ addr_location__init(&al);
+ if (machine__resolve(machine, &al, sample) < 0) {
fprintf(stderr, "problem processing %d event, skipping it.\n",
event->header.type);
+ addr_location__exit(&al);
return -1;
}
if (al.filtered || (mem->hide_unresolved && al.sym == NULL))
- return 0;
+ goto out_put;
- if (al.map != NULL)
- al.map->dso->hit = 1;
+ if (al.map != NULL) {
+ dso = map__dso(al.map);
+ if (dso)
+ dso__set_hit(dso);
+ }
- if (symbol_conf.field_sep) {
- fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s%"PRIu64
- "%s0x%"PRIx64"%s%s:%s\n";
+ field_sep = symbol_conf.field_sep;
+ if (field_sep) {
+ fmt = "%d%s%d%s0x%"PRIx64"%s0x%"PRIx64"%s";
} else {
- fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64
- "%s%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
+ fmt = "%5d%s%5d%s0x%016"PRIx64"%s0x016%"PRIx64"%s";
symbol_conf.field_sep = " ";
}
-
printf(fmt,
sample->pid,
symbol_conf.field_sep,
sample->tid,
symbol_conf.field_sep,
- event->ip.ip,
+ sample->ip,
symbol_conf.field_sep,
sample->addr,
- symbol_conf.field_sep,
+ symbol_conf.field_sep);
+
+ if (mem->phys_addr) {
+ printf("0x%016"PRIx64"%s",
+ sample->phys_addr,
+ symbol_conf.field_sep);
+ }
+
+ if (mem->data_page_size) {
+ printf("%s%s",
+ get_page_size_name(sample->data_page_size, str),
+ symbol_conf.field_sep);
+ }
+
+ if (field_sep)
+ fmt = "%"PRIu64"%s0x%"PRIx64"%s%s:%s\n";
+ else
+ fmt = "%5"PRIu64"%s0x%06"PRIx64"%s%s:%s\n";
+
+ printf(fmt,
sample->weight,
symbol_conf.field_sep,
sample->data_src,
symbol_conf.field_sep,
- al.map ? (al.map->dso ? al.map->dso->long_name : "???") : "???",
+ dso ? dso__long_name(dso) : "???",
al.sym ? al.sym->name : "???");
-
+out_put:
+ addr_location__exit(&al);
return 0;
}
-static int process_sample_event(struct perf_tool *tool,
+static int process_sample_event(const struct perf_tool *tool,
union perf_event *event,
struct perf_sample *sample,
- struct perf_evsel *evsel,
+ struct evsel *evsel __maybe_unused,
struct machine *machine)
{
- return dump_raw_samples(tool, event, sample, evsel, machine);
+ return dump_raw_samples(tool, event, sample, machine);
}
static int report_raw_events(struct perf_mem *mem)
{
- int err = -EINVAL;
+ struct itrace_synth_opts itrace_synth_opts = {
+ .set = true,
+ .mem = true, /* Only enable memory event */
+ .default_no_sample = true,
+ };
+
+ struct perf_data data = {
+ .path = input_name,
+ .mode = PERF_DATA_MODE_READ,
+ .force = mem->force,
+ };
int ret;
- struct perf_session *session = perf_session__new(input_name, O_RDONLY,
- 0, false, &mem->tool);
+ struct perf_session *session;
+
+ perf_tool__init(&mem->tool, /*ordered_events=*/true);
+ mem->tool.sample = process_sample_event;
+ mem->tool.mmap = perf_event__process_mmap;
+ mem->tool.mmap2 = perf_event__process_mmap2;
+ mem->tool.comm = perf_event__process_comm;
+ mem->tool.lost = perf_event__process_lost;
+ mem->tool.fork = perf_event__process_fork;
+ mem->tool.attr = perf_event__process_attr;
+ mem->tool.build_id = perf_event__process_build_id;
+ mem->tool.namespaces = perf_event__process_namespaces;
+ mem->tool.auxtrace_info = perf_event__process_auxtrace_info;
+ mem->tool.auxtrace = perf_event__process_auxtrace;
+ mem->tool.auxtrace_error = perf_event__process_auxtrace_error;
- if (session == NULL)
- return -ENOMEM;
+ session = perf_session__new(&data, &mem->tool);
+
+ if (IS_ERR(session))
+ return PTR_ERR(session);
+
+ session->itrace_synth_opts = &itrace_synth_opts;
if (mem->cpu_list) {
ret = perf_session__cpu_bitmap(session, mem->cpu_list,
mem->cpu_bitmap);
- if (ret)
+ if (ret < 0)
goto out_delete;
}
- if (symbol__init() < 0)
- return -1;
+ ret = symbol__init(perf_session__env(session));
+ if (ret < 0)
+ goto out_delete;
- printf("# PID, TID, IP, ADDR, LOCAL WEIGHT, DSRC, SYMBOL\n");
+ printf("# PID, TID, IP, ADDR, ");
- err = perf_session__process_events(session, &mem->tool);
- if (err)
- return err;
+ if (mem->phys_addr)
+ printf("PHYS ADDR, ");
- return 0;
+ if (mem->data_page_size)
+ printf("DATA PAGE SIZE, ");
+
+ printf("LOCAL WEIGHT, DSRC, SYMBOL\n");
+
+ ret = perf_session__process_events(session);
out_delete:
perf_session__delete(session);
- return err;
+ return ret;
}
-static int report_events(int argc, const char **argv, struct perf_mem *mem)
+static char *get_sort_order(struct perf_mem *mem)
+{
+ bool has_extra_options = (mem->phys_addr | mem->data_page_size) ? true : false;
+ char sort[128];
+
+ if (mem->sort_key)
+ scnprintf(sort, sizeof(sort), "--sort=%s", mem->sort_key);
+ else if (mem->data_type)
+ strcpy(sort, "--sort=mem,snoop,tlb,type");
+ /*
+ * there is no weight (cost) associated with stores, so don't print
+ * the column
+ */
+ else if (!(mem->operation & MEM_OPERATION_LOAD)) {
+ strcpy(sort, "--sort=mem,sym,dso,symbol_daddr,"
+ "dso_daddr,tlb,locked");
+ } else if (has_extra_options) {
+ strcpy(sort, "--sort=local_weight,mem,sym,dso,symbol_daddr,"
+ "dso_daddr,snoop,tlb,locked,blocked");
+ } else
+ return NULL;
+
+ if (mem->phys_addr)
+ strcat(sort, ",phys_daddr");
+
+ if (mem->data_page_size)
+ strcat(sort, ",data_page_size");
+
+ /* make sure it has 'type' sort key even -s option is used */
+ if (mem->data_type && !strstr(sort, "type"))
+ strcat(sort, ",type");
+
+ return strdup(sort);
+}
+
+static int __cmd_report(int argc, const char **argv, struct perf_mem *mem,
+ const struct option *options)
{
const char **rep_argv;
int ret, i = 0, j, rep_argc;
+ char *new_sort_order;
+ const char * const report_usage[] = {
+ "perf mem report [<options>]",
+ NULL
+ };
+
+ argc = parse_options(argc, argv, options, report_usage,
+ PARSE_OPT_KEEP_UNKNOWN);
if (mem->dump_raw)
return report_raw_events(mem);
@@ -165,63 +383,153 @@ static int report_events(int argc, const char **argv, struct perf_mem *mem)
if (!rep_argv)
return -1;
- rep_argv[i++] = strdup("report");
- rep_argv[i++] = strdup("--mem-mode");
- rep_argv[i++] = strdup("-n"); /* display number of samples */
+ rep_argv[i++] = "report";
+ rep_argv[i++] = "--mem-mode";
+ rep_argv[i++] = "-n"; /* display number of samples */
- /*
- * there is no weight (cost) associated with stores, so don't print
- * the column
- */
- if (strcmp(mem_operation, MEM_OPERATION_LOAD))
- rep_argv[i++] = strdup("--sort=mem,sym,dso,symbol_daddr,"
- "dso_daddr,tlb,locked");
+ new_sort_order = get_sort_order(mem);
+ if (new_sort_order)
+ rep_argv[i++] = new_sort_order;
- for (j = 1; j < argc; j++, i++)
+ for (j = 0; j < argc; j++, i++)
rep_argv[i] = argv[j];
- ret = cmd_report(i, rep_argv, NULL);
+ ret = cmd_report(i, rep_argv);
+ free(new_sort_order);
free(rep_argv);
return ret;
}
-int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused)
+struct mem_mode {
+ const char *name;
+ int mode;
+};
+
+#define MEM_OPT(n, m) \
+ { .name = n, .mode = (m) }
+
+#define MEM_END { .name = NULL }
+
+static const struct mem_mode mem_modes[]={
+ MEM_OPT("load", MEM_OPERATION_LOAD),
+ MEM_OPT("store", MEM_OPERATION_STORE),
+ MEM_END
+};
+
+static int
+parse_mem_ops(const struct option *opt, const char *str, int unset)
+{
+ int *mode = (int *)opt->value;
+ const struct mem_mode *m;
+ char *s, *os = NULL, *p;
+ int ret = -1;
+
+ if (unset)
+ return 0;
+
+ /* str may be NULL in case no arg is passed to -t */
+ if (str) {
+ /* because str is read-only */
+ s = os = strdup(str);
+ if (!s)
+ return -1;
+
+ /* reset mode */
+ *mode = 0;
+
+ for (;;) {
+ p = strchr(s, ',');
+ if (p)
+ *p = '\0';
+
+ for (m = mem_modes; m->name; m++) {
+ if (!strcasecmp(s, m->name))
+ break;
+ }
+ if (!m->name) {
+ fprintf(stderr, "unknown sampling op %s,"
+ " check man page\n", s);
+ goto error;
+ }
+
+ *mode |= m->mode;
+
+ if (!p)
+ break;
+
+ s = p + 1;
+ }
+ }
+ ret = 0;
+
+ if (*mode == 0)
+ *mode = MEM_OPERATION_LOAD;
+error:
+ free(os);
+ return ret;
+}
+
+int cmd_mem(int argc, const char **argv)
{
struct stat st;
struct perf_mem mem = {
- .tool = {
- .sample = process_sample_event,
- .mmap = perf_event__process_mmap,
- .comm = perf_event__process_comm,
- .lost = perf_event__process_lost,
- .fork = perf_event__process_fork,
- .build_id = perf_event__process_build_id,
- .ordered_samples = true,
- },
.input_name = "perf.data",
+ /*
+ * default to both load an store sampling
+ */
+ .operation = MEM_OPERATION_LOAD | MEM_OPERATION_STORE,
};
+ char *sort_order_help = sort_help("sort by key(s):", SORT_MODE__MEMORY);
const struct option mem_options[] = {
- OPT_STRING('t', "type", &mem_operation,
- "type", "memory operations(load/store)"),
+ OPT_CALLBACK('t', "type", &mem.operation,
+ "type", "memory operations(load,store) Default load,store",
+ parse_mem_ops),
+ OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
+ "list of cpus to profile"),
+ OPT_BOOLEAN('f', "force", &mem.force, "don't complain, do it"),
+ OPT_INCR('v', "verbose", &verbose,
+ "be more verbose (show counter open errors, etc)"),
+ OPT_BOOLEAN('p', "phys-data", &mem.phys_addr, "Record/Report sample physical addresses"),
+ OPT_BOOLEAN(0, "data-page-size", &mem.data_page_size, "Record/Report sample data address page size"),
+ OPT_END()
+ };
+ const struct option record_options[] = {
+ OPT_CALLBACK('e', "event", &mem, "event",
+ "event selector. use 'perf mem record -e list' to list available events",
+ parse_record_events),
+ OPT_UINTEGER(0, "ldlat", &perf_mem_events__loads_ldlat, "mem-loads latency"),
+ OPT_BOOLEAN('U', "all-user", &mem.all_user, "collect only user level data"),
+ OPT_BOOLEAN('K', "all-kernel", &mem.all_kernel, "collect only kernel level data"),
+ OPT_PARENT(mem_options)
+ };
+ const struct option report_options[] = {
OPT_BOOLEAN('D', "dump-raw-samples", &mem.dump_raw,
"dump raw samples in ASCII"),
OPT_BOOLEAN('U', "hide-unresolved", &mem.hide_unresolved,
"Only display entries resolved to a symbol"),
OPT_STRING('i', "input", &input_name, "file",
"input file name"),
- OPT_STRING('C', "cpu", &mem.cpu_list, "cpu",
- "list of cpus to profile"),
- OPT_STRING('x', "field-separator", &symbol_conf.field_sep,
+ OPT_STRING_NOEMPTY('x', "field-separator", &symbol_conf.field_sep,
"separator",
"separator for columns, no spaces will be added"
" between columns '.' is reserved."),
- OPT_END()
+ OPT_STRING('s', "sort", &mem.sort_key, "key[,key2...]",
+ sort_order_help),
+ OPT_BOOLEAN('T', "type-profile", &mem.data_type,
+ "Show data-type profile result"),
+ OPT_PARENT(mem_options)
+ };
+ const char *const mem_subcommands[] = { "record", "report", NULL };
+ const char *mem_usage[] = {
+ NULL,
+ NULL
};
+ int ret;
- argc = parse_options(argc, argv, mem_options, mem_usage,
- PARSE_OPT_STOP_AT_NON_OPTION);
+ argc = parse_options_subcommand(argc, argv, mem_options, mem_subcommands,
+ mem_usage, PARSE_OPT_STOP_AT_NON_OPTION);
- if (!argc || !(strncmp(argv[0], "rec", 3) || mem_operation))
+ if (!argc || !(strncmp(argv[0], "rec", 3) || mem.operation))
usage_with_options(mem_usage, mem_options);
if (!mem.input_name || !strlen(mem.input_name)) {
@@ -231,12 +539,16 @@ int cmd_mem(int argc, const char **argv, const char *prefix __maybe_unused)
mem.input_name = "perf.data";
}
- if (!strncmp(argv[0], "rec", 3))
- return __cmd_record(argc, argv);
- else if (!strncmp(argv[0], "rep", 3))
- return report_events(argc, argv, &mem);
+ if (strlen(argv[0]) > 2 && strstarts("record", argv[0]))
+ ret = __cmd_record(argc, argv, &mem, record_options);
+ else if (strlen(argv[0]) > 2 && strstarts("report", argv[0]))
+ ret = __cmd_report(argc, argv, &mem, report_options);
else
usage_with_options(mem_usage, mem_options);
- return 0;
+ /* free usage string allocated by parse_options_subcommand */
+ free((void *)mem_usage[0]);
+ free(sort_order_help);
+
+ return ret;
}