#include "perf.h"
#include "util/debug.h"
#include "util/header.h"
+#include "util/session.h"
#include "util/parse-options.h"
#include "util/parse-events.h"
-#include "util/data_map.h"
#include "util/thread.h"
#include "util/sort.h"
#include "util/hist.h"
-#include "util/process_events.h"
static char const *input_name = "perf.data";
static struct strlist *dso_list, *comm_list, *sym_list;
static int force;
+static bool use_callchain;
-static int full_paths;
static int show_nr_samples;
static int show_threads;
static char callchain_default_opt[] = "fractal,0.5";
-static struct perf_header *header;
-
static u64 sample_type;
struct symbol_conf symbol_conf;
return ret;
}
-static size_t
-hist_entry__fprintf(FILE *fp, struct hist_entry *self, u64 total_samples)
+static size_t hist_entry__fprintf(FILE *fp, struct hist_entry *self,
+ struct perf_session *session,
+ u64 total_samples)
{
struct sort_entry *se;
size_t ret;
ret += fprintf(fp, "\n");
- if (callchain) {
+ if (session->use_callchain) {
int left_margin = 0;
if (sort__first_dimension == SORT_COMM) {
return 0;
}
-
-static struct symbol *
-resolve_symbol(struct thread *thread, struct map **mapp, u64 *ipp)
-{
- struct map *map = mapp ? *mapp : NULL;
- u64 ip = *ipp;
-
- if (map)
- goto got_map;
-
- if (!thread)
- return NULL;
-
- map = thread__find_map(thread, ip);
- if (map != NULL) {
- /*
- * We have to do this here as we may have a dso
- * with no symbol hit that has a name longer than
- * the ones with symbols sampled.
- */
- if (!sort_dso.elide && !map->dso->slen_calculated)
- dso__calc_col_width(map->dso);
-
- if (mapp)
- *mapp = map;
-got_map:
- ip = map->map_ip(map, ip);
- } else {
- /*
- * If this is outside of all known maps,
- * and is a negative address, try to look it
- * up in the kernel dso, as it might be a
- * vsyscall or vdso (which executes in user-mode).
- *
- * XXX This is nasty, we should have a symbol list in
- * the "[vdso]" dso, but for now lets use the old
- * trick of looking in the whole kernel symbol list.
- */
- if ((long long)ip < 0)
- return kernel_maps__find_function(ip, mapp, NULL);
- }
- dump_printf(" ...... dso: %s\n",
- map ? map->dso->long_name : "<not found>");
- dump_printf(" ...... map: %Lx -> %Lx\n", *ipp, ip);
- *ipp = ip;
-
- return map ? map__find_symbol(map, ip, NULL) : NULL;
-}
-
static int call__match(struct symbol *sym)
{
if (sym->name && !regexec(&parent_regex, sym->name, 0, NULL, 0))
}
static struct symbol **resolve_callchain(struct thread *thread,
+ struct perf_session *session,
struct ip_callchain *chain,
struct symbol **parent)
{
- u64 context = PERF_CONTEXT_MAX;
+ u8 cpumode = PERF_RECORD_MISC_USER;
struct symbol **syms = NULL;
unsigned int i;
- if (callchain) {
+ if (session->use_callchain) {
syms = calloc(chain->nr, sizeof(*syms));
if (!syms) {
fprintf(stderr, "Can't allocate memory for symbols\n");
for (i = 0; i < chain->nr; i++) {
u64 ip = chain->ips[i];
- struct symbol *sym = NULL;
+ struct addr_location al;
if (ip >= PERF_CONTEXT_MAX) {
- context = ip;
+ switch (ip) {
+ case PERF_CONTEXT_HV:
+ cpumode = PERF_RECORD_MISC_HYPERVISOR; break;
+ case PERF_CONTEXT_KERNEL:
+ cpumode = PERF_RECORD_MISC_KERNEL; break;
+ case PERF_CONTEXT_USER:
+ cpumode = PERF_RECORD_MISC_USER; break;
+ default:
+ break;
+ }
continue;
}
- switch (context) {
- case PERF_CONTEXT_HV:
- break;
- case PERF_CONTEXT_KERNEL:
- sym = kernel_maps__find_function(ip, NULL, NULL);
- break;
- default:
- sym = resolve_symbol(thread, NULL, &ip);
- break;
- }
-
- if (sym) {
- if (sort__has_parent && !*parent && call__match(sym))
- *parent = sym;
- if (!callchain)
+ thread__find_addr_location(thread, session, cpumode,
+ MAP__FUNCTION, ip, &al, NULL);
+ if (al.sym != NULL) {
+ if (sort__has_parent && !*parent &&
+ call__match(al.sym))
+ *parent = al.sym;
+ if (!session->use_callchain)
break;
- syms[i] = sym;
+ syms[i] = al.sym;
}
}
* collect histogram counts
*/
-static int
-hist_entry__add(struct thread *thread, struct map *map,
- struct symbol *sym, u64 ip, struct ip_callchain *chain,
- char level, u64 count)
+static int perf_session__add_hist_entry(struct perf_session *self,
+ struct addr_location *al,
+ struct ip_callchain *chain, u64 count)
{
struct symbol **syms = NULL, *parent = NULL;
bool hit;
struct hist_entry *he;
- if ((sort__has_parent || callchain) && chain)
- syms = resolve_callchain(thread, chain, &parent);
+ if ((sort__has_parent || self->use_callchain) && chain)
+ syms = resolve_callchain(al->thread, self, chain, &parent);
- he = __hist_entry__add(thread, map, sym, parent,
- ip, count, level, &hit);
+ he = __perf_session__add_hist_entry(self, al, parent, count, &hit);
if (he == NULL)
return -ENOMEM;
if (hit)
he->count += count;
- if (callchain) {
+ if (self->use_callchain) {
if (!hit)
callchain_init(&he->callchain);
append_chain(&he->callchain, chain, syms);
return 0;
}
-static size_t output__fprintf(FILE *fp, u64 total_samples)
+static size_t perf_session__fprintf_hist_entries(struct perf_session *self,
+ u64 total_samples, FILE *fp)
{
struct hist_entry *pos;
struct sort_entry *se;
fprintf(fp, "#\n");
print_entries:
- for (nd = rb_first(&output_hists); nd; nd = rb_next(nd)) {
+ for (nd = rb_first(&self->hists); nd; nd = rb_next(nd)) {
pos = rb_entry(nd, struct hist_entry, rb_node);
- ret += hist_entry__fprintf(fp, pos, total_samples);
+ ret += hist_entry__fprintf(fp, pos, self, total_samples);
}
if (sort_order == default_sort_order &&
return 0;
}
-static int
-process_sample_event(event_t *event, unsigned long offset, unsigned long head)
+static int process_sample_event(event_t *event, struct perf_session *session)
{
- char level;
- struct symbol *sym = NULL;
- u64 ip = event->ip.ip;
- u64 period = 1;
- struct map *map = NULL;
- void *more_data = event->ip.__more_data;
- struct ip_callchain *chain = NULL;
+ struct sample_data data;
int cpumode;
- struct thread *thread = threads__findnew(event->ip.pid);
+ struct addr_location al;
+ struct thread *thread;
- if (sample_type & PERF_SAMPLE_PERIOD) {
- period = *(u64 *)more_data;
- more_data += sizeof(u64);
- }
+ memset(&data, 0, sizeof(data));
+ data.period = 1;
+
+ event__parse_sample(event, sample_type, &data);
- dump_printf("%p [%p]: PERF_RECORD_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
+ dump_printf("(IP, %d): %d/%d: %p period: %Ld\n",
event->header.misc,
- event->ip.pid, event->ip.tid,
- (void *)(long)ip,
- (long long)period);
+ data.pid, data.tid,
+ (void *)(long)data.ip,
+ (long long)data.period);
if (sample_type & PERF_SAMPLE_CALLCHAIN) {
unsigned int i;
- chain = (void *)more_data;
+ dump_printf("... chain: nr:%Lu\n", data.callchain->nr);
- dump_printf("... chain: nr:%Lu\n", chain->nr);
-
- if (validate_chain(chain, event) < 0) {
+ if (validate_chain(data.callchain, event) < 0) {
pr_debug("call-chain problem with event, "
"skipping it.\n");
return 0;
}
if (dump_trace) {
- for (i = 0; i < chain->nr; i++)
- dump_printf("..... %2d: %016Lx\n", i, chain->ips[i]);
+ for (i = 0; i < data.callchain->nr; i++)
+ dump_printf("..... %2d: %016Lx\n",
+ i, data.callchain->ips[i]);
}
}
+ thread = perf_session__findnew(session, data.pid);
if (thread == NULL) {
pr_debug("problem processing %d event, skipping it.\n",
event->header.type);
cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
- if (cpumode == PERF_RECORD_MISC_KERNEL) {
- level = 'k';
- sym = kernel_maps__find_function(ip, &map, NULL);
- dump_printf(" ...... dso: %s\n",
- map ? map->dso->long_name : "<not found>");
- } else if (cpumode == PERF_RECORD_MISC_USER) {
- level = '.';
- sym = resolve_symbol(thread, &map, &ip);
-
- } else {
- level = 'H';
- dump_printf(" ...... dso: [hypervisor]\n");
- }
+ thread__find_addr_location(thread, session, cpumode,
+ MAP__FUNCTION, data.ip, &al, NULL);
+ /*
+ * We have to do this here as we may have a dso with no symbol hit that
+ * has a name longer than the ones with symbols sampled.
+ */
+ if (al.map && !sort_dso.elide && !al.map->dso->slen_calculated)
+ dso__calc_col_width(al.map->dso);
if (dso_list &&
- (!map || !map->dso ||
- !(strlist__has_entry(dso_list, map->dso->short_name) ||
- (map->dso->short_name != map->dso->long_name &&
- strlist__has_entry(dso_list, map->dso->long_name)))))
+ (!al.map || !al.map->dso ||
+ !(strlist__has_entry(dso_list, al.map->dso->short_name) ||
+ (al.map->dso->short_name != al.map->dso->long_name &&
+ strlist__has_entry(dso_list, al.map->dso->long_name)))))
return 0;
- if (sym_list && sym && !strlist__has_entry(sym_list, sym->name))
+ if (sym_list && al.sym && !strlist__has_entry(sym_list, al.sym->name))
return 0;
- if (hist_entry__add(thread, map, sym, ip,
- chain, level, period)) {
+ if (perf_session__add_hist_entry(session, &al, data.callchain, data.period)) {
pr_debug("problem incrementing symbol count, skipping event\n");
return -1;
}
- total += period;
+ event__stats.total += data.period;
return 0;
}
-static int
-process_comm_event(event_t *event, unsigned long offset, unsigned long head)
+static int process_comm_event(event_t *event, struct perf_session *session)
{
- struct thread *thread = threads__findnew(event->comm.pid);
+ struct thread *thread = perf_session__findnew(session, event->comm.pid);
- dump_printf("%p [%p]: PERF_RECORD_COMM: %s:%d\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->comm.comm, event->comm.pid);
+ dump_printf(": %s:%d\n", event->comm.comm, event->comm.pid);
if (thread == NULL ||
thread__set_comm_adjust(thread, event->comm.comm)) {
dump_printf("problem processing PERF_RECORD_COMM, skipping event.\n");
return -1;
}
- total_comm++;
-
- return 0;
-}
-
-static int
-process_lost_event(event_t *event, unsigned long offset, unsigned long head)
-{
- dump_printf("%p [%p]: PERF_RECORD_LOST: id:%Ld: lost:%Ld\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->lost.id,
- event->lost.lost);
-
- total_lost += event->lost.lost;
return 0;
}
-static int
-process_read_event(event_t *event, unsigned long offset, unsigned long head)
+static int process_read_event(event_t *event, struct perf_session *session __used)
{
struct perf_event_attr *attr;
- attr = perf_header__find_attr(event->read.id, header);
+ attr = perf_header__find_attr(event->read.id, &session->header);
if (show_threads) {
const char *name = attr ? __event_name(attr->type, attr->config)
event->read.value);
}
- dump_printf("%p [%p]: PERF_RECORD_READ: %d %d %s %Lu\n",
- (void *)(offset + head),
- (void *)(long)(event->header.size),
- event->read.pid,
- event->read.tid,
- attr ? __event_name(attr->type, attr->config)
- : "FAIL",
- event->read.value);
+ dump_printf(": %d %d %s %Lu\n", event->read.pid, event->read.tid,
+ attr ? __event_name(attr->type, attr->config) : "FAIL",
+ event->read.value);
return 0;
}
-static int sample_type_check(u64 type)
+static int sample_type_check(u64 type, struct perf_session *session)
{
sample_type = type;
" perf record without -g?\n");
return -1;
}
- if (callchain) {
+ if (session->use_callchain) {
fprintf(stderr, "selected -g but no callchain data."
" Did you call perf record without"
" -g?\n");
return -1;
}
- } else if (callchain_param.mode != CHAIN_NONE && !callchain) {
- callchain = 1;
+ } else if (callchain_param.mode != CHAIN_NONE && !session->use_callchain) {
+ session->use_callchain = true;
if (register_callchain_param(&callchain_param) < 0) {
fprintf(stderr, "Can't register callchain"
" params\n");
return 0;
}
-static struct perf_file_handler file_handler = {
+static struct perf_event_ops event_ops = {
.process_sample_event = process_sample_event,
- .process_mmap_event = process_mmap_event,
+ .process_mmap_event = event__process_mmap,
.process_comm_event = process_comm_event,
- .process_exit_event = process_task_event,
- .process_fork_event = process_task_event,
- .process_lost_event = process_lost_event,
+ .process_exit_event = event__process_task,
+ .process_fork_event = event__process_task,
+ .process_lost_event = event__process_lost,
.process_read_event = process_read_event,
.sample_type_check = sample_type_check,
};
static int __cmd_report(void)
{
- struct thread *idle;
int ret;
+ struct perf_session *session;
+
+ session = perf_session__new(input_name, O_RDONLY, force, &symbol_conf);
+ if (session == NULL)
+ return -ENOMEM;
- idle = register_idle_thread();
- thread__comm_adjust(idle);
+ session->use_callchain = use_callchain;
if (show_threads)
perf_read_values_init(&show_threads_values);
- register_perf_file_handler(&file_handler);
-
- ret = mmap_dispatch_perf_file(&header, input_name, force,
- full_paths, &cwdlen, &cwd);
+ ret = perf_session__process_events(session, &event_ops);
if (ret)
- return ret;
-
- dump_printf(" IP events: %10ld\n", total);
- dump_printf(" mmap events: %10ld\n", total_mmap);
- dump_printf(" comm events: %10ld\n", total_comm);
- dump_printf(" fork events: %10ld\n", total_fork);
- dump_printf(" lost events: %10ld\n", total_lost);
- dump_printf(" unknown events: %10ld\n", file_handler.total_unknown);
+ goto out_delete;
- if (dump_trace)
- return 0;
+ if (dump_trace) {
+ event__print_totals();
+ goto out_delete;
+ }
if (verbose > 3)
- threads__fprintf(stdout);
+ perf_session__fprintf(session, stdout);
if (verbose > 2)
dsos__fprintf(stdout);
- collapse__resort();
- output__resort(total);
- output__fprintf(stdout, total);
+ perf_session__collapse_resort(session);
+ perf_session__output_resort(session, event__stats.total);
+ perf_session__fprintf_hist_entries(session, event__stats.total, stdout);
if (show_threads)
perf_read_values_destroy(&show_threads_values);
-
+out_delete:
+ perf_session__delete(session);
return ret;
}
char *tok;
char *endptr;
- callchain = 1;
+ use_callchain = true;
if (!arg)
return 0;
else if (!strncmp(tok, "none", strlen(arg))) {
callchain_param.mode = CHAIN_NONE;
- callchain = 0;
+ use_callchain = true;
return 0;
}
"pretty printing style key: normal raw"),
OPT_STRING('s', "sort", &sort_order, "key[,key2...]",
"sort by key(s): pid, comm, dso, symbol, parent"),
- OPT_BOOLEAN('P', "full-paths", &full_paths,
+ OPT_BOOLEAN('P', "full-paths", &event_ops.full_paths,
"Don't shorten the pathnames taking into account the cwd"),
OPT_STRING('p', "parent", &parent_pattern, "regex",
"regex filter to identify parent, see: '--sort parent'"),
Code Review / linux-2.6.git / blobdiff