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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/tools/perf/util/parse-events.c
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/tools/perf/util/parse-events.c')
-rw-r--r--ANDROID_3.4.5/tools/perf/util/parse-events.c1062
1 files changed, 0 insertions, 1062 deletions
diff --git a/ANDROID_3.4.5/tools/perf/util/parse-events.c b/ANDROID_3.4.5/tools/perf/util/parse-events.c
deleted file mode 100644
index 5b3a0ef4..00000000
--- a/ANDROID_3.4.5/tools/perf/util/parse-events.c
+++ /dev/null
@@ -1,1062 +0,0 @@
-#include "../../../include/linux/hw_breakpoint.h"
-#include "util.h"
-#include "../perf.h"
-#include "evlist.h"
-#include "evsel.h"
-#include "parse-options.h"
-#include "parse-events.h"
-#include "exec_cmd.h"
-#include "string.h"
-#include "symbol.h"
-#include "cache.h"
-#include "header.h"
-#include "debugfs.h"
-#include "parse-events-flex.h"
-#include "pmu.h"
-
-#define MAX_NAME_LEN 100
-
-struct event_symbol {
- u8 type;
- u64 config;
- const char *symbol;
- const char *alias;
-};
-
-int parse_events_parse(struct list_head *list, struct list_head *list_tmp,
- int *idx);
-
-#define CHW(x) .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_##x
-#define CSW(x) .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_##x
-
-static struct event_symbol event_symbols[] = {
- { CHW(CPU_CYCLES), "cpu-cycles", "cycles" },
- { CHW(STALLED_CYCLES_FRONTEND), "stalled-cycles-frontend", "idle-cycles-frontend" },
- { CHW(STALLED_CYCLES_BACKEND), "stalled-cycles-backend", "idle-cycles-backend" },
- { CHW(INSTRUCTIONS), "instructions", "" },
- { CHW(CACHE_REFERENCES), "cache-references", "" },
- { CHW(CACHE_MISSES), "cache-misses", "" },
- { CHW(BRANCH_INSTRUCTIONS), "branch-instructions", "branches" },
- { CHW(BRANCH_MISSES), "branch-misses", "" },
- { CHW(BUS_CYCLES), "bus-cycles", "" },
- { CHW(REF_CPU_CYCLES), "ref-cycles", "" },
-
- { CSW(CPU_CLOCK), "cpu-clock", "" },
- { CSW(TASK_CLOCK), "task-clock", "" },
- { CSW(PAGE_FAULTS), "page-faults", "faults" },
- { CSW(PAGE_FAULTS_MIN), "minor-faults", "" },
- { CSW(PAGE_FAULTS_MAJ), "major-faults", "" },
- { CSW(CONTEXT_SWITCHES), "context-switches", "cs" },
- { CSW(CPU_MIGRATIONS), "cpu-migrations", "migrations" },
- { CSW(ALIGNMENT_FAULTS), "alignment-faults", "" },
- { CSW(EMULATION_FAULTS), "emulation-faults", "" },
-};
-
-#define __PERF_EVENT_FIELD(config, name) \
- ((config & PERF_EVENT_##name##_MASK) >> PERF_EVENT_##name##_SHIFT)
-
-#define PERF_EVENT_RAW(config) __PERF_EVENT_FIELD(config, RAW)
-#define PERF_EVENT_CONFIG(config) __PERF_EVENT_FIELD(config, CONFIG)
-#define PERF_EVENT_TYPE(config) __PERF_EVENT_FIELD(config, TYPE)
-#define PERF_EVENT_ID(config) __PERF_EVENT_FIELD(config, EVENT)
-
-static const char *hw_event_names[PERF_COUNT_HW_MAX] = {
- "cycles",
- "instructions",
- "cache-references",
- "cache-misses",
- "branches",
- "branch-misses",
- "bus-cycles",
- "stalled-cycles-frontend",
- "stalled-cycles-backend",
- "ref-cycles",
-};
-
-static const char *sw_event_names[PERF_COUNT_SW_MAX] = {
- "cpu-clock",
- "task-clock",
- "page-faults",
- "context-switches",
- "CPU-migrations",
- "minor-faults",
- "major-faults",
- "alignment-faults",
- "emulation-faults",
-};
-
-#define MAX_ALIASES 8
-
-static const char *hw_cache[PERF_COUNT_HW_CACHE_MAX][MAX_ALIASES] = {
- { "L1-dcache", "l1-d", "l1d", "L1-data", },
- { "L1-icache", "l1-i", "l1i", "L1-instruction", },
- { "LLC", "L2", },
- { "dTLB", "d-tlb", "Data-TLB", },
- { "iTLB", "i-tlb", "Instruction-TLB", },
- { "branch", "branches", "bpu", "btb", "bpc", },
- { "node", },
-};
-
-static const char *hw_cache_op[PERF_COUNT_HW_CACHE_OP_MAX][MAX_ALIASES] = {
- { "load", "loads", "read", },
- { "store", "stores", "write", },
- { "prefetch", "prefetches", "speculative-read", "speculative-load", },
-};
-
-static const char *hw_cache_result[PERF_COUNT_HW_CACHE_RESULT_MAX]
- [MAX_ALIASES] = {
- { "refs", "Reference", "ops", "access", },
- { "misses", "miss", },
-};
-
-#define C(x) PERF_COUNT_HW_CACHE_##x
-#define CACHE_READ (1 << C(OP_READ))
-#define CACHE_WRITE (1 << C(OP_WRITE))
-#define CACHE_PREFETCH (1 << C(OP_PREFETCH))
-#define COP(x) (1 << x)
-
-/*
- * cache operartion stat
- * L1I : Read and prefetch only
- * ITLB and BPU : Read-only
- */
-static unsigned long hw_cache_stat[C(MAX)] = {
- [C(L1D)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH),
- [C(L1I)] = (CACHE_READ | CACHE_PREFETCH),
- [C(LL)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH),
- [C(DTLB)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH),
- [C(ITLB)] = (CACHE_READ),
- [C(BPU)] = (CACHE_READ),
- [C(NODE)] = (CACHE_READ | CACHE_WRITE | CACHE_PREFETCH),
-};
-
-#define for_each_subsystem(sys_dir, sys_dirent, sys_next) \
- while (!readdir_r(sys_dir, &sys_dirent, &sys_next) && sys_next) \
- if (sys_dirent.d_type == DT_DIR && \
- (strcmp(sys_dirent.d_name, ".")) && \
- (strcmp(sys_dirent.d_name, "..")))
-
-static int tp_event_has_id(struct dirent *sys_dir, struct dirent *evt_dir)
-{
- char evt_path[MAXPATHLEN];
- int fd;
-
- snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path,
- sys_dir->d_name, evt_dir->d_name);
- fd = open(evt_path, O_RDONLY);
- if (fd < 0)
- return -EINVAL;
- close(fd);
-
- return 0;
-}
-
-#define for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) \
- while (!readdir_r(evt_dir, &evt_dirent, &evt_next) && evt_next) \
- if (evt_dirent.d_type == DT_DIR && \
- (strcmp(evt_dirent.d_name, ".")) && \
- (strcmp(evt_dirent.d_name, "..")) && \
- (!tp_event_has_id(&sys_dirent, &evt_dirent)))
-
-#define MAX_EVENT_LENGTH 512
-
-
-struct tracepoint_path *tracepoint_id_to_path(u64 config)
-{
- struct tracepoint_path *path = NULL;
- DIR *sys_dir, *evt_dir;
- struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
- char id_buf[24];
- int fd;
- u64 id;
- char evt_path[MAXPATHLEN];
- char dir_path[MAXPATHLEN];
-
- if (debugfs_valid_mountpoint(tracing_events_path))
- return NULL;
-
- sys_dir = opendir(tracing_events_path);
- if (!sys_dir)
- return NULL;
-
- for_each_subsystem(sys_dir, sys_dirent, sys_next) {
-
- snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
- sys_dirent.d_name);
- evt_dir = opendir(dir_path);
- if (!evt_dir)
- continue;
-
- for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
-
- snprintf(evt_path, MAXPATHLEN, "%s/%s/id", dir_path,
- evt_dirent.d_name);
- fd = open(evt_path, O_RDONLY);
- if (fd < 0)
- continue;
- if (read(fd, id_buf, sizeof(id_buf)) < 0) {
- close(fd);
- continue;
- }
- close(fd);
- id = atoll(id_buf);
- if (id == config) {
- closedir(evt_dir);
- closedir(sys_dir);
- path = zalloc(sizeof(*path));
- path->system = malloc(MAX_EVENT_LENGTH);
- if (!path->system) {
- free(path);
- return NULL;
- }
- path->name = malloc(MAX_EVENT_LENGTH);
- if (!path->name) {
- free(path->system);
- free(path);
- return NULL;
- }
- strncpy(path->system, sys_dirent.d_name,
- MAX_EVENT_LENGTH);
- strncpy(path->name, evt_dirent.d_name,
- MAX_EVENT_LENGTH);
- return path;
- }
- }
- closedir(evt_dir);
- }
-
- closedir(sys_dir);
- return NULL;
-}
-
-#define TP_PATH_LEN (MAX_EVENT_LENGTH * 2 + 1)
-static const char *tracepoint_id_to_name(u64 config)
-{
- static char buf[TP_PATH_LEN];
- struct tracepoint_path *path;
-
- path = tracepoint_id_to_path(config);
- if (path) {
- snprintf(buf, TP_PATH_LEN, "%s:%s", path->system, path->name);
- free(path->name);
- free(path->system);
- free(path);
- } else
- snprintf(buf, TP_PATH_LEN, "%s:%s", "unknown", "unknown");
-
- return buf;
-}
-
-static int is_cache_op_valid(u8 cache_type, u8 cache_op)
-{
- if (hw_cache_stat[cache_type] & COP(cache_op))
- return 1; /* valid */
- else
- return 0; /* invalid */
-}
-
-static char *event_cache_name(u8 cache_type, u8 cache_op, u8 cache_result)
-{
- static char name[50];
-
- if (cache_result) {
- sprintf(name, "%s-%s-%s", hw_cache[cache_type][0],
- hw_cache_op[cache_op][0],
- hw_cache_result[cache_result][0]);
- } else {
- sprintf(name, "%s-%s", hw_cache[cache_type][0],
- hw_cache_op[cache_op][1]);
- }
-
- return name;
-}
-
-const char *event_type(int type)
-{
- switch (type) {
- case PERF_TYPE_HARDWARE:
- return "hardware";
-
- case PERF_TYPE_SOFTWARE:
- return "software";
-
- case PERF_TYPE_TRACEPOINT:
- return "tracepoint";
-
- case PERF_TYPE_HW_CACHE:
- return "hardware-cache";
-
- default:
- break;
- }
-
- return "unknown";
-}
-
-const char *event_name(struct perf_evsel *evsel)
-{
- u64 config = evsel->attr.config;
- int type = evsel->attr.type;
-
- if (evsel->name)
- return evsel->name;
-
- return __event_name(type, config);
-}
-
-const char *__event_name(int type, u64 config)
-{
- static char buf[32];
-
- if (type == PERF_TYPE_RAW) {
- sprintf(buf, "raw 0x%" PRIx64, config);
- return buf;
- }
-
- switch (type) {
- case PERF_TYPE_HARDWARE:
- if (config < PERF_COUNT_HW_MAX && hw_event_names[config])
- return hw_event_names[config];
- return "unknown-hardware";
-
- case PERF_TYPE_HW_CACHE: {
- u8 cache_type, cache_op, cache_result;
-
- cache_type = (config >> 0) & 0xff;
- if (cache_type > PERF_COUNT_HW_CACHE_MAX)
- return "unknown-ext-hardware-cache-type";
-
- cache_op = (config >> 8) & 0xff;
- if (cache_op > PERF_COUNT_HW_CACHE_OP_MAX)
- return "unknown-ext-hardware-cache-op";
-
- cache_result = (config >> 16) & 0xff;
- if (cache_result > PERF_COUNT_HW_CACHE_RESULT_MAX)
- return "unknown-ext-hardware-cache-result";
-
- if (!is_cache_op_valid(cache_type, cache_op))
- return "invalid-cache";
-
- return event_cache_name(cache_type, cache_op, cache_result);
- }
-
- case PERF_TYPE_SOFTWARE:
- if (config < PERF_COUNT_SW_MAX && sw_event_names[config])
- return sw_event_names[config];
- return "unknown-software";
-
- case PERF_TYPE_TRACEPOINT:
- return tracepoint_id_to_name(config);
-
- default:
- break;
- }
-
- return "unknown";
-}
-
-static int add_event(struct list_head *list, int *idx,
- struct perf_event_attr *attr, char *name)
-{
- struct perf_evsel *evsel;
-
- event_attr_init(attr);
-
- evsel = perf_evsel__new(attr, (*idx)++);
- if (!evsel)
- return -ENOMEM;
-
- list_add_tail(&evsel->node, list);
-
- evsel->name = strdup(name);
- return 0;
-}
-
-static int parse_aliases(char *str, const char *names[][MAX_ALIASES], int size)
-{
- int i, j;
- int n, longest = -1;
-
- for (i = 0; i < size; i++) {
- for (j = 0; j < MAX_ALIASES && names[i][j]; j++) {
- n = strlen(names[i][j]);
- if (n > longest && !strncasecmp(str, names[i][j], n))
- longest = n;
- }
- if (longest > 0)
- return i;
- }
-
- return -1;
-}
-
-int parse_events_add_cache(struct list_head *list, int *idx,
- char *type, char *op_result1, char *op_result2)
-{
- struct perf_event_attr attr;
- char name[MAX_NAME_LEN];
- int cache_type = -1, cache_op = -1, cache_result = -1;
- char *op_result[2] = { op_result1, op_result2 };
- int i, n;
-
- /*
- * No fallback - if we cannot get a clear cache type
- * then bail out:
- */
- cache_type = parse_aliases(type, hw_cache,
- PERF_COUNT_HW_CACHE_MAX);
- if (cache_type == -1)
- return -EINVAL;
-
- n = snprintf(name, MAX_NAME_LEN, "%s", type);
-
- for (i = 0; (i < 2) && (op_result[i]); i++) {
- char *str = op_result[i];
-
- snprintf(name + n, MAX_NAME_LEN - n, "-%s\n", str);
-
- if (cache_op == -1) {
- cache_op = parse_aliases(str, hw_cache_op,
- PERF_COUNT_HW_CACHE_OP_MAX);
- if (cache_op >= 0) {
- if (!is_cache_op_valid(cache_type, cache_op))
- return -EINVAL;
- continue;
- }
- }
-
- if (cache_result == -1) {
- cache_result = parse_aliases(str, hw_cache_result,
- PERF_COUNT_HW_CACHE_RESULT_MAX);
- if (cache_result >= 0)
- continue;
- }
- }
-
- /*
- * Fall back to reads:
- */
- if (cache_op == -1)
- cache_op = PERF_COUNT_HW_CACHE_OP_READ;
-
- /*
- * Fall back to accesses:
- */
- if (cache_result == -1)
- cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS;
-
- memset(&attr, 0, sizeof(attr));
- attr.config = cache_type | (cache_op << 8) | (cache_result << 16);
- attr.type = PERF_TYPE_HW_CACHE;
- return add_event(list, idx, &attr, name);
-}
-
-static int add_tracepoint(struct list_head *list, int *idx,
- char *sys_name, char *evt_name)
-{
- struct perf_event_attr attr;
- char name[MAX_NAME_LEN];
- char evt_path[MAXPATHLEN];
- char id_buf[4];
- u64 id;
- int fd;
-
- snprintf(evt_path, MAXPATHLEN, "%s/%s/%s/id", tracing_events_path,
- sys_name, evt_name);
-
- fd = open(evt_path, O_RDONLY);
- if (fd < 0)
- return -1;
-
- if (read(fd, id_buf, sizeof(id_buf)) < 0) {
- close(fd);
- return -1;
- }
-
- close(fd);
- id = atoll(id_buf);
-
- memset(&attr, 0, sizeof(attr));
- attr.config = id;
- attr.type = PERF_TYPE_TRACEPOINT;
- attr.sample_type |= PERF_SAMPLE_RAW;
- attr.sample_type |= PERF_SAMPLE_TIME;
- attr.sample_type |= PERF_SAMPLE_CPU;
- attr.sample_period = 1;
-
- snprintf(name, MAX_NAME_LEN, "%s:%s", sys_name, evt_name);
- return add_event(list, idx, &attr, name);
-}
-
-static int add_tracepoint_multi(struct list_head *list, int *idx,
- char *sys_name, char *evt_name)
-{
- char evt_path[MAXPATHLEN];
- struct dirent *evt_ent;
- DIR *evt_dir;
- int ret = 0;
-
- snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name);
- evt_dir = opendir(evt_path);
- if (!evt_dir) {
- perror("Can't open event dir");
- return -1;
- }
-
- while (!ret && (evt_ent = readdir(evt_dir))) {
- if (!strcmp(evt_ent->d_name, ".")
- || !strcmp(evt_ent->d_name, "..")
- || !strcmp(evt_ent->d_name, "enable")
- || !strcmp(evt_ent->d_name, "filter"))
- continue;
-
- if (!strglobmatch(evt_ent->d_name, evt_name))
- continue;
-
- ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name);
- }
-
- return ret;
-}
-
-int parse_events_add_tracepoint(struct list_head *list, int *idx,
- char *sys, char *event)
-{
- int ret;
-
- ret = debugfs_valid_mountpoint(tracing_events_path);
- if (ret)
- return ret;
-
- return strpbrk(event, "*?") ?
- add_tracepoint_multi(list, idx, sys, event) :
- add_tracepoint(list, idx, sys, event);
-}
-
-static int
-parse_breakpoint_type(const char *type, struct perf_event_attr *attr)
-{
- int i;
-
- for (i = 0; i < 3; i++) {
- if (!type || !type[i])
- break;
-
- switch (type[i]) {
- case 'r':
- attr->bp_type |= HW_BREAKPOINT_R;
- break;
- case 'w':
- attr->bp_type |= HW_BREAKPOINT_W;
- break;
- case 'x':
- attr->bp_type |= HW_BREAKPOINT_X;
- break;
- default:
- return -EINVAL;
- }
- }
-
- if (!attr->bp_type) /* Default */
- attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W;
-
- return 0;
-}
-
-int parse_events_add_breakpoint(struct list_head *list, int *idx,
- void *ptr, char *type)
-{
- struct perf_event_attr attr;
- char name[MAX_NAME_LEN];
-
- memset(&attr, 0, sizeof(attr));
- attr.bp_addr = (unsigned long) ptr;
-
- if (parse_breakpoint_type(type, &attr))
- return -EINVAL;
-
- /*
- * We should find a nice way to override the access length
- * Provide some defaults for now
- */
- if (attr.bp_type == HW_BREAKPOINT_X)
- attr.bp_len = sizeof(long);
- else
- attr.bp_len = HW_BREAKPOINT_LEN_4;
-
- attr.type = PERF_TYPE_BREAKPOINT;
-
- snprintf(name, MAX_NAME_LEN, "mem:%p:%s", ptr, type ? type : "rw");
- return add_event(list, idx, &attr, name);
-}
-
-static int config_term(struct perf_event_attr *attr,
- struct parse_events__term *term)
-{
- switch (term->type) {
- case PARSE_EVENTS__TERM_TYPE_CONFIG:
- attr->config = term->val.num;
- break;
- case PARSE_EVENTS__TERM_TYPE_CONFIG1:
- attr->config1 = term->val.num;
- break;
- case PARSE_EVENTS__TERM_TYPE_CONFIG2:
- attr->config2 = term->val.num;
- break;
- case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
- attr->sample_period = term->val.num;
- break;
- case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE:
- /*
- * TODO uncomment when the field is available
- * attr->branch_sample_type = term->val.num;
- */
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int config_attr(struct perf_event_attr *attr,
- struct list_head *head, int fail)
-{
- struct parse_events__term *term;
-
- list_for_each_entry(term, head, list)
- if (config_term(attr, term) && fail)
- return -EINVAL;
-
- return 0;
-}
-
-int parse_events_add_numeric(struct list_head *list, int *idx,
- unsigned long type, unsigned long config,
- struct list_head *head_config)
-{
- struct perf_event_attr attr;
-
- memset(&attr, 0, sizeof(attr));
- attr.type = type;
- attr.config = config;
-
- if (head_config &&
- config_attr(&attr, head_config, 1))
- return -EINVAL;
-
- return add_event(list, idx, &attr,
- (char *) __event_name(type, config));
-}
-
-int parse_events_add_pmu(struct list_head *list, int *idx,
- char *name, struct list_head *head_config)
-{
- struct perf_event_attr attr;
- struct perf_pmu *pmu;
-
- pmu = perf_pmu__find(name);
- if (!pmu)
- return -EINVAL;
-
- memset(&attr, 0, sizeof(attr));
-
- /*
- * Configure hardcoded terms first, no need to check
- * return value when called with fail == 0 ;)
- */
- config_attr(&attr, head_config, 0);
-
- if (perf_pmu__config(pmu, &attr, head_config))
- return -EINVAL;
-
- return add_event(list, idx, &attr, (char *) "pmu");
-}
-
-void parse_events_update_lists(struct list_head *list_event,
- struct list_head *list_all)
-{
- /*
- * Called for single event definition. Update the
- * 'all event' list, and reinit the 'signle event'
- * list, for next event definition.
- */
- list_splice_tail(list_event, list_all);
- INIT_LIST_HEAD(list_event);
-}
-
-int parse_events_modifier(struct list_head *list, char *str)
-{
- struct perf_evsel *evsel;
- int exclude = 0, exclude_GH = 0;
- int eu = 0, ek = 0, eh = 0, eH = 0, eG = 0, precise = 0;
-
- if (str == NULL)
- return 0;
-
- while (*str) {
- if (*str == 'u') {
- if (!exclude)
- exclude = eu = ek = eh = 1;
- eu = 0;
- } else if (*str == 'k') {
- if (!exclude)
- exclude = eu = ek = eh = 1;
- ek = 0;
- } else if (*str == 'h') {
- if (!exclude)
- exclude = eu = ek = eh = 1;
- eh = 0;
- } else if (*str == 'G') {
- if (!exclude_GH)
- exclude_GH = eG = eH = 1;
- eG = 0;
- } else if (*str == 'H') {
- if (!exclude_GH)
- exclude_GH = eG = eH = 1;
- eH = 0;
- } else if (*str == 'p') {
- precise++;
- } else
- break;
-
- ++str;
- }
-
- /*
- * precise ip:
- *
- * 0 - SAMPLE_IP can have arbitrary skid
- * 1 - SAMPLE_IP must have constant skid
- * 2 - SAMPLE_IP requested to have 0 skid
- * 3 - SAMPLE_IP must have 0 skid
- *
- * See also PERF_RECORD_MISC_EXACT_IP
- */
- if (precise > 3)
- return -EINVAL;
-
- list_for_each_entry(evsel, list, node) {
- evsel->attr.exclude_user = eu;
- evsel->attr.exclude_kernel = ek;
- evsel->attr.exclude_hv = eh;
- evsel->attr.precise_ip = precise;
- evsel->attr.exclude_host = eH;
- evsel->attr.exclude_guest = eG;
- }
-
- return 0;
-}
-
-int parse_events(struct perf_evlist *evlist, const char *str, int unset __used)
-{
- LIST_HEAD(list);
- LIST_HEAD(list_tmp);
- YY_BUFFER_STATE buffer;
- int ret, idx = evlist->nr_entries;
-
- buffer = parse_events__scan_string(str);
-
- ret = parse_events_parse(&list, &list_tmp, &idx);
-
- parse_events__flush_buffer(buffer);
- parse_events__delete_buffer(buffer);
-
- if (!ret) {
- int entries = idx - evlist->nr_entries;
- perf_evlist__splice_list_tail(evlist, &list, entries);
- return 0;
- }
-
- /*
- * There are 2 users - builtin-record and builtin-test objects.
- * Both call perf_evlist__delete in case of error, so we dont
- * need to bother.
- */
- fprintf(stderr, "invalid or unsupported event: '%s'\n", str);
- fprintf(stderr, "Run 'perf list' for a list of valid events\n");
- return ret;
-}
-
-int parse_events_option(const struct option *opt, const char *str,
- int unset __used)
-{
- struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
- return parse_events(evlist, str, unset);
-}
-
-int parse_filter(const struct option *opt, const char *str,
- int unset __used)
-{
- struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
- struct perf_evsel *last = NULL;
-
- if (evlist->nr_entries > 0)
- last = list_entry(evlist->entries.prev, struct perf_evsel, node);
-
- if (last == NULL || last->attr.type != PERF_TYPE_TRACEPOINT) {
- fprintf(stderr,
- "-F option should follow a -e tracepoint option\n");
- return -1;
- }
-
- last->filter = strdup(str);
- if (last->filter == NULL) {
- fprintf(stderr, "not enough memory to hold filter string\n");
- return -1;
- }
-
- return 0;
-}
-
-static const char * const event_type_descriptors[] = {
- "Hardware event",
- "Software event",
- "Tracepoint event",
- "Hardware cache event",
- "Raw hardware event descriptor",
- "Hardware breakpoint",
-};
-
-/*
- * Print the events from <debugfs_mount_point>/tracing/events
- */
-
-void print_tracepoint_events(const char *subsys_glob, const char *event_glob)
-{
- DIR *sys_dir, *evt_dir;
- struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
- char evt_path[MAXPATHLEN];
- char dir_path[MAXPATHLEN];
-
- if (debugfs_valid_mountpoint(tracing_events_path))
- return;
-
- sys_dir = opendir(tracing_events_path);
- if (!sys_dir)
- return;
-
- for_each_subsystem(sys_dir, sys_dirent, sys_next) {
- if (subsys_glob != NULL &&
- !strglobmatch(sys_dirent.d_name, subsys_glob))
- continue;
-
- snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
- sys_dirent.d_name);
- evt_dir = opendir(dir_path);
- if (!evt_dir)
- continue;
-
- for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
- if (event_glob != NULL &&
- !strglobmatch(evt_dirent.d_name, event_glob))
- continue;
-
- snprintf(evt_path, MAXPATHLEN, "%s:%s",
- sys_dirent.d_name, evt_dirent.d_name);
- printf(" %-50s [%s]\n", evt_path,
- event_type_descriptors[PERF_TYPE_TRACEPOINT]);
- }
- closedir(evt_dir);
- }
- closedir(sys_dir);
-}
-
-/*
- * Check whether event is in <debugfs_mount_point>/tracing/events
- */
-
-int is_valid_tracepoint(const char *event_string)
-{
- DIR *sys_dir, *evt_dir;
- struct dirent *sys_next, *evt_next, sys_dirent, evt_dirent;
- char evt_path[MAXPATHLEN];
- char dir_path[MAXPATHLEN];
-
- if (debugfs_valid_mountpoint(tracing_events_path))
- return 0;
-
- sys_dir = opendir(tracing_events_path);
- if (!sys_dir)
- return 0;
-
- for_each_subsystem(sys_dir, sys_dirent, sys_next) {
-
- snprintf(dir_path, MAXPATHLEN, "%s/%s", tracing_events_path,
- sys_dirent.d_name);
- evt_dir = opendir(dir_path);
- if (!evt_dir)
- continue;
-
- for_each_event(sys_dirent, evt_dir, evt_dirent, evt_next) {
- snprintf(evt_path, MAXPATHLEN, "%s:%s",
- sys_dirent.d_name, evt_dirent.d_name);
- if (!strcmp(evt_path, event_string)) {
- closedir(evt_dir);
- closedir(sys_dir);
- return 1;
- }
- }
- closedir(evt_dir);
- }
- closedir(sys_dir);
- return 0;
-}
-
-void print_events_type(u8 type)
-{
- struct event_symbol *syms = event_symbols;
- unsigned int i;
- char name[64];
-
- for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) {
- if (type != syms->type)
- continue;
-
- if (strlen(syms->alias))
- snprintf(name, sizeof(name), "%s OR %s",
- syms->symbol, syms->alias);
- else
- snprintf(name, sizeof(name), "%s", syms->symbol);
-
- printf(" %-50s [%s]\n", name,
- event_type_descriptors[type]);
- }
-}
-
-int print_hwcache_events(const char *event_glob)
-{
- unsigned int type, op, i, printed = 0;
-
- for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) {
- for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) {
- /* skip invalid cache type */
- if (!is_cache_op_valid(type, op))
- continue;
-
- for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) {
- char *name = event_cache_name(type, op, i);
-
- if (event_glob != NULL && !strglobmatch(name, event_glob))
- continue;
-
- printf(" %-50s [%s]\n", name,
- event_type_descriptors[PERF_TYPE_HW_CACHE]);
- ++printed;
- }
- }
- }
-
- return printed;
-}
-
-/*
- * Print the help text for the event symbols:
- */
-void print_events(const char *event_glob)
-{
- unsigned int i, type, prev_type = -1, printed = 0, ntypes_printed = 0;
- struct event_symbol *syms = event_symbols;
- char name[MAX_NAME_LEN];
-
- printf("\n");
- printf("List of pre-defined events (to be used in -e):\n");
-
- for (i = 0; i < ARRAY_SIZE(event_symbols); i++, syms++) {
- type = syms->type;
-
- if (type != prev_type && printed) {
- printf("\n");
- printed = 0;
- ntypes_printed++;
- }
-
- if (event_glob != NULL &&
- !(strglobmatch(syms->symbol, event_glob) ||
- (syms->alias && strglobmatch(syms->alias, event_glob))))
- continue;
-
- if (strlen(syms->alias))
- snprintf(name, MAX_NAME_LEN, "%s OR %s", syms->symbol, syms->alias);
- else
- strncpy(name, syms->symbol, MAX_NAME_LEN);
- printf(" %-50s [%s]\n", name,
- event_type_descriptors[type]);
-
- prev_type = type;
- ++printed;
- }
-
- if (ntypes_printed) {
- printed = 0;
- printf("\n");
- }
- print_hwcache_events(event_glob);
-
- if (event_glob != NULL)
- return;
-
- printf("\n");
- printf(" %-50s [%s]\n",
- "rNNN",
- event_type_descriptors[PERF_TYPE_RAW]);
- printf(" %-50s [%s]\n",
- "cpu/t1=v1[,t2=v2,t3 ...]/modifier",
- event_type_descriptors[PERF_TYPE_RAW]);
- printf(" (see 'perf list --help' on how to encode it)\n");
- printf("\n");
-
- printf(" %-50s [%s]\n",
- "mem:<addr>[:access]",
- event_type_descriptors[PERF_TYPE_BREAKPOINT]);
- printf("\n");
-
- print_tracepoint_events(NULL, NULL);
-}
-
-int parse_events__is_hardcoded_term(struct parse_events__term *term)
-{
- return term->type <= PARSE_EVENTS__TERM_TYPE_HARDCODED_MAX;
-}
-
-int parse_events__new_term(struct parse_events__term **_term, int type,
- char *config, char *str, long num)
-{
- struct parse_events__term *term;
-
- term = zalloc(sizeof(*term));
- if (!term)
- return -ENOMEM;
-
- INIT_LIST_HEAD(&term->list);
- term->type = type;
- term->config = config;
-
- switch (type) {
- case PARSE_EVENTS__TERM_TYPE_CONFIG:
- case PARSE_EVENTS__TERM_TYPE_CONFIG1:
- case PARSE_EVENTS__TERM_TYPE_CONFIG2:
- case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD:
- case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE:
- case PARSE_EVENTS__TERM_TYPE_NUM:
- term->val.num = num;
- break;
- case PARSE_EVENTS__TERM_TYPE_STR:
- term->val.str = str;
- break;
- default:
- return -EINVAL;
- }
-
- *_term = term;
- return 0;
-}
-
-void parse_events__free_terms(struct list_head *terms)
-{
- struct parse_events__term *term, *h;
-
- list_for_each_entry_safe(term, h, terms, list)
- free(term);
-
- free(terms);
-}