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-rw-r--r--tools/perf/builtin-script.c322
1 files changed, 251 insertions, 71 deletions
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 4da5e32b9e03..2d8cb1d1682c 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -10,6 +10,7 @@
#include "util/perf_regs.h"
#include "util/session.h"
#include "util/tool.h"
+#include "util/map.h"
#include "util/symbol.h"
#include "util/thread.h"
#include "util/trace-event.h"
@@ -44,6 +45,7 @@
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
+#include <subcmd/pager.h>
#include "sane_ctype.h"
@@ -95,6 +97,7 @@ enum perf_output_field {
PERF_OUTPUT_UREGS = 1U << 27,
PERF_OUTPUT_METRIC = 1U << 28,
PERF_OUTPUT_MISC = 1U << 29,
+ PERF_OUTPUT_SRCCODE = 1U << 30,
};
struct output_option {
@@ -131,6 +134,7 @@ struct output_option {
{.str = "phys_addr", .field = PERF_OUTPUT_PHYS_ADDR},
{.str = "metric", .field = PERF_OUTPUT_METRIC},
{.str = "misc", .field = PERF_OUTPUT_MISC},
+ {.str = "srccode", .field = PERF_OUTPUT_SRCCODE},
};
enum {
@@ -145,6 +149,7 @@ static struct {
unsigned int print_ip_opts;
u64 fields;
u64 invalid_fields;
+ u64 user_set_fields;
} output[OUTPUT_TYPE_MAX] = {
[PERF_TYPE_HARDWARE] = {
@@ -341,7 +346,7 @@ static int perf_evsel__do_check_stype(struct perf_evsel *evsel,
if (attr->sample_type & sample_type)
return 0;
- if (output[type].user_set) {
+ if (output[type].user_set_fields & field) {
if (allow_user_set)
return 0;
evname = perf_evsel__name(evsel);
@@ -423,7 +428,7 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel,
pr_err("Display of DSO requested but no address to convert.\n");
return -EINVAL;
}
- if (PRINT_FIELD(SRCLINE) && !PRINT_FIELD(IP)) {
+ if ((PRINT_FIELD(SRCLINE) || PRINT_FIELD(SRCCODE)) && !PRINT_FIELD(IP)) {
pr_err("Display of source line number requested but sample IP is not\n"
"selected. Hence, no address to lookup the source line number.\n");
return -EINVAL;
@@ -565,44 +570,40 @@ out:
return 0;
}
-static int perf_sample__fprintf_iregs(struct perf_sample *sample,
- struct perf_event_attr *attr, FILE *fp)
+static int perf_sample__fprintf_regs(struct regs_dump *regs, uint64_t mask,
+ FILE *fp
+)
{
- struct regs_dump *regs = &sample->intr_regs;
- uint64_t mask = attr->sample_regs_intr;
unsigned i = 0, r;
int printed = 0;
- if (!regs)
+ if (!regs || !regs->regs)
return 0;
+ printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
+
for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
u64 val = regs->regs[i++];
printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
}
+ fprintf(fp, "\n");
+
return printed;
}
-static int perf_sample__fprintf_uregs(struct perf_sample *sample,
+static int perf_sample__fprintf_iregs(struct perf_sample *sample,
struct perf_event_attr *attr, FILE *fp)
{
- struct regs_dump *regs = &sample->user_regs;
- uint64_t mask = attr->sample_regs_user;
- unsigned i = 0, r;
- int printed = 0;
-
- if (!regs || !regs->regs)
- return 0;
-
- printed += fprintf(fp, " ABI:%" PRIu64 " ", regs->abi);
-
- for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
- u64 val = regs->regs[i++];
- printed += fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
- }
+ return perf_sample__fprintf_regs(&sample->intr_regs,
+ attr->sample_regs_intr, fp);
+}
- return printed;
+static int perf_sample__fprintf_uregs(struct perf_sample *sample,
+ struct perf_event_attr *attr, FILE *fp)
+{
+ return perf_sample__fprintf_regs(&sample->user_regs,
+ attr->sample_regs_user, fp);
}
static int perf_sample__fprintf_start(struct perf_sample *sample,
@@ -727,8 +728,8 @@ static int perf_sample__fprintf_brstack(struct perf_sample *sample,
if (PRINT_FIELD(DSO)) {
memset(&alf, 0, sizeof(alf));
memset(&alt, 0, sizeof(alt));
- thread__find_map(thread, sample->cpumode, from, &alf);
- thread__find_map(thread, sample->cpumode, to, &alt);
+ thread__find_map_fb(thread, sample->cpumode, from, &alf);
+ thread__find_map_fb(thread, sample->cpumode, to, &alt);
}
printed += fprintf(fp, " 0x%"PRIx64, from);
@@ -774,8 +775,8 @@ static int perf_sample__fprintf_brstacksym(struct perf_sample *sample,
from = br->entries[i].from;
to = br->entries[i].to;
- thread__find_symbol(thread, sample->cpumode, from, &alf);
- thread__find_symbol(thread, sample->cpumode, to, &alt);
+ thread__find_symbol_fb(thread, sample->cpumode, from, &alf);
+ thread__find_symbol_fb(thread, sample->cpumode, to, &alt);
printed += symbol__fprintf_symname_offs(alf.sym, &alf, fp);
if (PRINT_FIELD(DSO)) {
@@ -819,11 +820,11 @@ static int perf_sample__fprintf_brstackoff(struct perf_sample *sample,
from = br->entries[i].from;
to = br->entries[i].to;
- if (thread__find_map(thread, sample->cpumode, from, &alf) &&
+ if (thread__find_map_fb(thread, sample->cpumode, from, &alf) &&
!alf.map->dso->adjust_symbols)
from = map__map_ip(alf.map, from);
- if (thread__find_map(thread, sample->cpumode, to, &alt) &&
+ if (thread__find_map_fb(thread, sample->cpumode, to, &alt) &&
!alt.map->dso->adjust_symbols)
to = map__map_ip(alt.map, to);
@@ -910,9 +911,25 @@ static int grab_bb(u8 *buffer, u64 start, u64 end,
return len;
}
+static int print_srccode(struct thread *thread, u8 cpumode, uint64_t addr)
+{
+ struct addr_location al;
+ int ret = 0;
+
+ memset(&al, 0, sizeof(al));
+ thread__find_map(thread, cpumode, addr, &al);
+ if (!al.map)
+ return 0;
+ ret = map__fprintf_srccode(al.map, al.addr, stdout,
+ &thread->srccode_state);
+ if (ret)
+ ret += printf("\n");
+ return ret;
+}
+
static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
struct perf_insn *x, u8 *inbuf, int len,
- int insn, FILE *fp)
+ int insn, FILE *fp, int *total_cycles)
{
int printed = fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s", ip,
dump_insn(x, ip, inbuf, len, NULL),
@@ -921,7 +938,8 @@ static int ip__fprintf_jump(uint64_t ip, struct branch_entry *en,
en->flags.in_tx ? " INTX" : "",
en->flags.abort ? " ABORT" : "");
if (en->flags.cycles) {
- printed += fprintf(fp, " %d cycles", en->flags.cycles);
+ *total_cycles += en->flags.cycles;
+ printed += fprintf(fp, " %d cycles [%d]", en->flags.cycles, *total_cycles);
if (insn)
printed += fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
}
@@ -978,6 +996,7 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
u8 buffer[MAXBB];
unsigned off;
struct symbol *lastsym = NULL;
+ int total_cycles = 0;
if (!(br && br->nr))
return 0;
@@ -998,7 +1017,9 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
printed += ip__fprintf_sym(br->entries[nr - 1].from, thread,
x.cpumode, x.cpu, &lastsym, attr, fp);
printed += ip__fprintf_jump(br->entries[nr - 1].from, &br->entries[nr - 1],
- &x, buffer, len, 0, fp);
+ &x, buffer, len, 0, fp, &total_cycles);
+ if (PRINT_FIELD(SRCCODE))
+ printed += print_srccode(thread, x.cpumode, br->entries[nr - 1].from);
}
/* Print all blocks */
@@ -1026,13 +1047,18 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
if (ip == end) {
- printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
+ printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp,
+ &total_cycles);
+ if (PRINT_FIELD(SRCCODE))
+ printed += print_srccode(thread, x.cpumode, ip);
break;
} else {
printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
dump_insn(&x, ip, buffer + off, len - off, &ilen));
if (ilen == 0)
break;
+ if (PRINT_FIELD(SRCCODE))
+ print_srccode(thread, x.cpumode, ip);
insn++;
}
}
@@ -1049,9 +1075,18 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
/*
* Print final block upto sample
+ *
+ * Due to pipeline delays the LBRs might be missing a branch
+ * or two, which can result in very large or negative blocks
+ * between final branch and sample. When this happens just
+ * continue walking after the last TO until we hit a branch.
*/
start = br->entries[0].to;
end = sample->ip;
+ if (end < start) {
+ /* Missing jump. Scan 128 bytes for the next branch */
+ end = start + 128;
+ }
len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, true);
printed += ip__fprintf_sym(start, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
if (len <= 0) {
@@ -1060,9 +1095,10 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
machine, thread, &x.is64bit, &x.cpumode, false);
if (len <= 0)
goto out;
-
printed += fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
dump_insn(&x, sample->ip, buffer, len, NULL));
+ if (PRINT_FIELD(SRCCODE))
+ print_srccode(thread, x.cpumode, sample->ip);
goto out;
}
for (off = 0; off <= end - start; off += ilen) {
@@ -1070,6 +1106,15 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
dump_insn(&x, start + off, buffer + off, len - off, &ilen));
if (ilen == 0)
break;
+ if (arch_is_branch(buffer + off, len - off, x.is64bit) && start + off != sample->ip) {
+ /*
+ * Hit a missing branch. Just stop.
+ */
+ printed += fprintf(fp, "\t... not reaching sample ...\n");
+ break;
+ }
+ if (PRINT_FIELD(SRCCODE))
+ print_srccode(thread, x.cpumode, start + off);
}
out:
return printed;
@@ -1104,14 +1149,42 @@ out:
return printed;
}
+static const char *resolve_branch_sym(struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct thread *thread,
+ struct addr_location *al,
+ u64 *ip)
+{
+ struct addr_location addr_al;
+ struct perf_event_attr *attr = &evsel->attr;
+ const char *name = NULL;
+
+ if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
+ if (sample_addr_correlates_sym(attr)) {
+ thread__resolve(thread, &addr_al, sample);
+ if (addr_al.sym)
+ name = addr_al.sym->name;
+ else
+ *ip = sample->addr;
+ } else {
+ *ip = sample->addr;
+ }
+ } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
+ if (al->sym)
+ name = al->sym->name;
+ else
+ *ip = sample->ip;
+ }
+ return name;
+}
+
static int perf_sample__fprintf_callindent(struct perf_sample *sample,
struct perf_evsel *evsel,
struct thread *thread,
struct addr_location *al, FILE *fp)
{
struct perf_event_attr *attr = &evsel->attr;
- size_t depth = thread_stack__depth(thread);
- struct addr_location addr_al;
+ size_t depth = thread_stack__depth(thread, sample->cpu);
const char *name = NULL;
static int spacing;
int len = 0;
@@ -1125,22 +1198,7 @@ static int perf_sample__fprintf_callindent(struct perf_sample *sample,
if (thread->ts && sample->flags & PERF_IP_FLAG_RETURN)
depth += 1;
- if (sample->flags & (PERF_IP_FLAG_CALL | PERF_IP_FLAG_TRACE_BEGIN)) {
- if (sample_addr_correlates_sym(attr)) {
- thread__resolve(thread, &addr_al, sample);
- if (addr_al.sym)
- name = addr_al.sym->name;
- else
- ip = sample->addr;
- } else {
- ip = sample->addr;
- }
- } else if (sample->flags & (PERF_IP_FLAG_RETURN | PERF_IP_FLAG_TRACE_END)) {
- if (al->sym)
- name = al->sym->name;
- else
- ip = sample->ip;
- }
+ name = resolve_branch_sym(sample, evsel, thread, al, &ip);
if (PRINT_FIELD(DSO) && !(PRINT_FIELD(IP) || PRINT_FIELD(ADDR))) {
dlen += fprintf(fp, "(");
@@ -1239,7 +1297,16 @@ static int perf_sample__fprintf_bts(struct perf_sample *sample,
printed += map__fprintf_srcline(al->map, al->addr, "\n ", fp);
printed += perf_sample__fprintf_insn(sample, attr, thread, machine, fp);
- return printed + fprintf(fp, "\n");
+ printed += fprintf(fp, "\n");
+ if (PRINT_FIELD(SRCCODE)) {
+ int ret = map__fprintf_srccode(al->map, al->addr, stdout,
+ &thread->srccode_state);
+ if (ret) {
+ printed += ret;
+ printed += printf("\n");
+ }
+ }
+ return printed;
}
static struct {
@@ -1616,13 +1683,8 @@ static void perf_sample__fprint_metric(struct perf_script *script,
.force_header = false,
};
struct perf_evsel *ev2;
- static bool init;
u64 val;
- if (!init) {
- perf_stat__init_shadow_stats();
- init = true;
- }
if (!evsel->stats)
perf_evlist__alloc_stats(script->session->evlist, false);
if (evsel_script(evsel->leader)->gnum++ == 0)
@@ -1646,6 +1708,47 @@ static void perf_sample__fprint_metric(struct perf_script *script,
}
}
+static bool show_event(struct perf_sample *sample,
+ struct perf_evsel *evsel,
+ struct thread *thread,
+ struct addr_location *al)
+{
+ int depth = thread_stack__depth(thread, sample->cpu);
+
+ if (!symbol_conf.graph_function)
+ return true;
+
+ if (thread->filter) {
+ if (depth <= thread->filter_entry_depth) {
+ thread->filter = false;
+ return false;
+ }
+ return true;
+ } else {
+ const char *s = symbol_conf.graph_function;
+ u64 ip;
+ const char *name = resolve_branch_sym(sample, evsel, thread, al,
+ &ip);
+ unsigned nlen;
+
+ if (!name)
+ return false;
+ nlen = strlen(name);
+ while (*s) {
+ unsigned len = strcspn(s, ",");
+ if (nlen == len && !strncmp(name, s, len)) {
+ thread->filter = true;
+ thread->filter_entry_depth = depth;
+ return true;
+ }
+ s += len;
+ if (*s == ',')
+ s++;
+ }
+ return false;
+ }
+}
+
static void process_event(struct perf_script *script,
struct perf_sample *sample, struct perf_evsel *evsel,
struct addr_location *al,
@@ -1660,6 +1763,9 @@ static void process_event(struct perf_script *script,
if (output[type].fields == 0)
return;
+ if (!show_event(sample, evsel, thread, al))
+ return;
+
++es->samples;
perf_sample__fprintf_start(sample, thread, evsel,
@@ -1685,7 +1791,7 @@ static void process_event(struct perf_script *script,
return;
}
- if (PRINT_FIELD(TRACE)) {
+ if (PRINT_FIELD(TRACE) && sample->raw_data) {
event_format__fprintf(evsel->tp_format, sample->cpu,
sample->raw_data, sample->raw_size, fp);
}
@@ -1735,8 +1841,17 @@ static void process_event(struct perf_script *script,
fprintf(fp, "%16" PRIx64, sample->phys_addr);
fprintf(fp, "\n");
+ if (PRINT_FIELD(SRCCODE)) {
+ if (map__fprintf_srccode(al->map, al->addr, stdout,
+ &thread->srccode_state))
+ printf("\n");
+ }
+
if (PRINT_FIELD(METRIC))
perf_sample__fprint_metric(script, thread, evsel, sample, fp);
+
+ if (verbose)
+ fflush(fp);
}
static struct scripting_ops *scripting_ops;
@@ -2241,6 +2356,8 @@ static int __cmd_script(struct perf_script *script)
signal(SIGINT, sig_handler);
+ perf_stat__init_shadow_stats();
+
/* override event processing functions */
if (script->show_task_events) {
script->tool.comm = process_comm_event;
@@ -2444,6 +2561,10 @@ static int parse_output_fields(const struct option *opt __maybe_unused,
pr_warning("Overriding previous field request for %s events.\n",
event_type(type));
+ /* Don't override defaults for +- */
+ if (strchr(tok, '+') || strchr(tok, '-'))
+ goto parse;
+
output[type].fields = 0;
output[type].user_set = true;
output[type].wildcard_set = false;
@@ -2512,10 +2633,13 @@ parse:
pr_warning("\'%s\' not valid for %s events. Ignoring.\n",
all_output_options[i].str, event_type(j));
} else {
- if (change == REMOVE)
+ if (change == REMOVE) {
output[j].fields &= ~all_output_options[i].field;
- else
+ output[j].user_set_fields &= ~all_output_options[i].field;
+ } else {
output[j].fields |= all_output_options[i].field;
+ output[j].user_set_fields |= all_output_options[i].field;
+ }
output[j].user_set = true;
output[j].wildcard_set = true;
}
@@ -2528,6 +2652,10 @@ parse:
rc = -EINVAL;
goto out;
}
+ if (change == REMOVE)
+ output[type].fields &= ~all_output_options[i].field;
+ else
+ output[type].fields |= all_output_options[i].field;
output[type].user_set = true;
output[type].wildcard_set = true;
}
@@ -2827,10 +2955,8 @@ int find_scripts(char **scripts_array, char **scripts_path_array)
DIR *scripts_dir, *lang_dir;
struct perf_session *session;
struct perf_data data = {
- .file = {
- .path = input_name,
- },
- .mode = PERF_DATA_MODE_READ,
+ .path = input_name,
+ .mode = PERF_DATA_MODE_READ,
};
char *temp;
int i = 0;
@@ -3100,6 +3226,44 @@ static int perf_script__process_auxtrace_info(struct perf_session *session,
#define perf_script__process_auxtrace_info 0
#endif
+static int parse_insn_trace(const struct option *opt __maybe_unused,
+ const char *str __maybe_unused,
+ int unset __maybe_unused)
+{
+ parse_output_fields(NULL, "+insn,-event,-period", 0);
+ itrace_parse_synth_opts(opt, "i0ns", 0);
+ nanosecs = true;
+ return 0;
+}
+
+static int parse_xed(const struct option *opt __maybe_unused,
+ const char *str __maybe_unused,
+ int unset __maybe_unused)
+{
+ force_pager("xed -F insn: -A -64 | less");
+ return 0;
+}
+
+static int parse_call_trace(const struct option *opt __maybe_unused,
+ const char *str __maybe_unused,
+ int unset __maybe_unused)
+{
+ parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent", 0);
+ itrace_parse_synth_opts(opt, "cewp", 0);
+ nanosecs = true;
+ return 0;
+}
+
+static int parse_callret_trace(const struct option *opt __maybe_unused,
+ const char *str __maybe_unused,
+ int unset __maybe_unused)
+{
+ parse_output_fields(NULL, "-ip,-addr,-event,-period,+callindent,+flags", 0);
+ itrace_parse_synth_opts(opt, "crewp", 0);
+ nanosecs = true;
+ return 0;
+}
+
int cmd_script(int argc, const char **argv)
{
bool show_full_info = false;
@@ -3109,7 +3273,10 @@ int cmd_script(int argc, const char **argv)
char *rec_script_path = NULL;
char *rep_script_path = NULL;
struct perf_session *session;
- struct itrace_synth_opts itrace_synth_opts = { .set = false, };
+ struct itrace_synth_opts itrace_synth_opts = {
+ .set = false,
+ .default_no_sample = true,
+ };
char *script_path = NULL;
const char **__argv;
int i, j, err = 0;
@@ -3184,6 +3351,16 @@ int cmd_script(int argc, const char **argv)
"system-wide collection from all CPUs"),
OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]",
"only consider these symbols"),
+ OPT_CALLBACK_OPTARG(0, "insn-trace", &itrace_synth_opts, NULL, NULL,
+ "Decode instructions from itrace", parse_insn_trace),
+ OPT_CALLBACK_OPTARG(0, "xed", NULL, NULL, NULL,
+ "Run xed disassembler on output", parse_xed),
+ OPT_CALLBACK_OPTARG(0, "call-trace", &itrace_synth_opts, NULL, NULL,
+ "Decode calls from from itrace", parse_call_trace),
+ OPT_CALLBACK_OPTARG(0, "call-ret-trace", &itrace_synth_opts, NULL, NULL,
+ "Decode calls and returns from itrace", parse_callret_trace),
+ OPT_STRING(0, "graph-function", &symbol_conf.graph_function, "symbol[,symbol...]",
+ "Only print symbols and callees with --call-trace/--call-ret-trace"),
OPT_STRING(0, "stop-bt", &symbol_conf.bt_stop_list_str, "symbol[,symbol...]",
"Stop display of callgraph at these symbols"),
OPT_STRING('C', "cpu", &cpu_list, "cpu", "list of cpus to profile"),
@@ -3252,8 +3429,8 @@ int cmd_script(int argc, const char **argv)
argc = parse_options_subcommand(argc, argv, options, script_subcommands, script_usage,
PARSE_OPT_STOP_AT_NON_OPTION);
- data.file.path = input_name;
- data.force = symbol_conf.force;
+ data.path = input_name;
+ data.force = symbol_conf.force;
if (argc > 1 && !strncmp(argv[0], "rec", strlen("rec"))) {
rec_script_path = get_script_path(argv[1], RECORD_SUFFIX);
@@ -3417,8 +3594,10 @@ int cmd_script(int argc, const char **argv)
exit(-1);
}
- if (!script_name)
+ if (!script_name) {
setup_pager();
+ use_browser = 0;
+ }
session = perf_session__new(&data, false, &script.tool);
if (session == NULL)
@@ -3439,7 +3618,8 @@ int cmd_script(int argc, const char **argv)
script.session = session;
script__setup_sample_type(&script);
- if (output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT)
+ if ((output[PERF_TYPE_HARDWARE].fields & PERF_OUTPUT_CALLINDENT) ||
+ symbol_conf.graph_function)
itrace_synth_opts.thread_stack = true;
session->itrace_synth_opts = &itrace_synth_opts;
@@ -3476,7 +3656,7 @@ int cmd_script(int argc, const char **argv)
goto out_delete;
}
- input = open(data.file.path, O_RDONLY); /* input_name */
+ input = open(data.path, O_RDONLY); /* input_name */
if (input < 0) {
err = -errno;
perror("failed to open file");
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