[PATCH 4/4] Replace printf with fprintf for all the output functions
From: yuzhoujian
Date: Mon Sep 18 2017 - 01:56:33 EST
Signed-off-by: yuzhoujian <yuzhoujian@xxxxxxxxxxxxxxx>
---
tools/perf/builtin-script.c | 187 +++++++++++++++++++++++---------------------
1 file changed, 99 insertions(+), 88 deletions(-)
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 89bab68..0d206b2 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -498,7 +498,7 @@ static void fprint_sample_iregs(struct perf_sample *sample,
for_each_set_bit(r, (unsigned long *) &mask, sizeof(mask) * 8) {
u64 val = regs->regs[i++];
- printf("%5s:0x%"PRIx64" ", perf_reg_name(r), val);
+ fprintf(fp, "%5s:0x%"PRIx64" ", perf_reg_name(r), val);
}
}
@@ -512,25 +512,25 @@ static void fprint_sample_start(struct perf_sample *sample,
if (PRINT_FIELD(COMM)) {
if (latency_format)
- printf("%8.8s ", thread__comm_str(thread));
+ fprintf(fp, "%8.8s ", thread__comm_str(thread));
else if (PRINT_FIELD(IP) && symbol_conf.use_callchain)
- printf("%s ", thread__comm_str(thread));
+ fprintf(fp, "%s ", thread__comm_str(thread));
else
- printf("%16s ", thread__comm_str(thread));
+ fprintf(fp, "%16s ", thread__comm_str(thread));
}
if (PRINT_FIELD(PID) && PRINT_FIELD(TID))
- printf("%5d/%-5d ", sample->pid, sample->tid);
+ fprintf(fp, "%5d/%-5d ", sample->pid, sample->tid);
else if (PRINT_FIELD(PID))
- printf("%5d ", sample->pid);
+ fprintf(fp, "%5d ", sample->pid);
else if (PRINT_FIELD(TID))
- printf("%5d ", sample->tid);
+ fprintf(fp, "%5d ", sample->tid);
if (PRINT_FIELD(CPU)) {
if (latency_format)
- printf("%3d ", sample->cpu);
+ fprintf(fp, "%3d ", sample->cpu);
else
- printf("[%03d] ", sample->cpu);
+ fprintf(fp, "[%03d] ", sample->cpu);
}
if (PRINT_FIELD(TIME)) {
@@ -539,11 +539,11 @@ static void fprint_sample_start(struct perf_sample *sample,
nsecs -= secs * NSEC_PER_SEC;
if (nanosecs)
- printf("%5lu.%09llu: ", secs, nsecs);
+ fprintf(fp, "%5lu.%09llu: ", secs, nsecs);
else {
char sample_time[32];
timestamp__scnprintf_usec(sample->time, sample_time, sizeof(sample_time));
- printf("%12s: ", sample_time);
+ fprintf(fp, "%12s: ", sample_time);
}
}
}
@@ -580,21 +580,21 @@ static void fprint_sample_brstack(struct perf_sample *sample,
thread__find_addr_map(thread, sample->cpumode, MAP__FUNCTION, to, &alt);
}
- printf("0x%"PRIx64, from);
+ fprintf(fp, "0x%"PRIx64, from);
if (PRINT_FIELD(DSO)) {
- printf("(");
+ fprintf(fp, "(");
map__fprintf_dsoname(alf.map, fp);
- printf(")");
+ fprintf(fp, ")");
}
- printf("/0x%"PRIx64, to);
+ fprintf(fp, "/0x%"PRIx64, to);
if (PRINT_FIELD(DSO)) {
- printf("(");
+ fprintf(fp, "(");
map__fprintf_dsoname(alt.map, fp);
- printf(")");
+ fprintf(fp, ")");
}
- printf("/%c/%c/%c/%d ",
+ fprintf(fp, "/%c/%c/%c/%d ",
mispred_str( br->entries + i),
br->entries[i].flags.in_tx? 'X' : '-',
br->entries[i].flags.abort? 'A' : '-',
@@ -631,18 +631,18 @@ static void fprint_sample_brstacksym(struct perf_sample *sample,
symbol__fprintf_symname_offs(alf.sym, &alf, fp);
if (PRINT_FIELD(DSO)) {
- printf("(");
+ fprintf(fp, "(");
map__fprintf_dsoname(alf.map, fp);
- printf(")");
+ fprintf(fp, ")");
}
- putchar('/');
+ fputc('/', fp);
symbol__fprintf_symname_offs(alt.sym, &alt, fp);
if (PRINT_FIELD(DSO)) {
- printf("(");
+ fprintf(fp, "(");
map__fprintf_dsoname(alt.map, fp);
- printf(")");
+ fprintf(fp, ")");
}
- printf("/%c/%c/%c/%d ",
+ fprintf(fp, "/%c/%c/%c/%d ",
mispred_str( br->entries + i),
br->entries[i].flags.in_tx? 'X' : '-',
br->entries[i].flags.abort? 'A' : '-',
@@ -677,19 +677,19 @@ static void fprint_sample_brstackoff(struct perf_sample *sample,
if (alt.map && !alt.map->dso->adjust_symbols)
to = map__map_ip(alt.map, to);
- printf("0x%"PRIx64, from);
+ fprintf(fp, "0x%"PRIx64, from);
if (PRINT_FIELD(DSO)) {
- printf("(");
+ fprintf(fp, "(");
map__fprintf_dsoname(alf.map, fp);
- printf(")");
+ fprintf(fp, ")");
}
- printf("/0x%"PRIx64, to);
+ fprintf(fp, "/0x%"PRIx64, to);
if (PRINT_FIELD(DSO)) {
- printf("(");
+ fprintf(fp, "(");
map__fprintf_dsoname(alt.map, fp);
- printf(")");
+ fprintf(fp, ")");
}
- printf("/%c/%c/%c/%d ",
+ fprintf(fp, "/%c/%c/%c/%d ",
mispred_str(br->entries + i),
br->entries[i].flags.in_tx ? 'X' : '-',
br->entries[i].flags.abort ? 'A' : '-',
@@ -764,7 +764,7 @@ static void fprint_jump(uint64_t ip, struct branch_entry *en,
struct perf_insn *x, u8 *inbuf, int len,
int insn, FILE *fp)
{
- printf("\t%016" PRIx64 "\t%-30s\t#%s%s%s%s",
+ fprintf(fp, "\t%016" PRIx64 "\t%-30s\t#%s%s%s%s",
ip,
dump_insn(x, ip, inbuf, len, NULL),
en->flags.predicted ? " PRED" : "",
@@ -772,11 +772,11 @@ static void fprint_jump(uint64_t ip, struct branch_entry *en,
en->flags.in_tx ? " INTX" : "",
en->flags.abort ? " ABORT" : "");
if (en->flags.cycles) {
- printf(" %d cycles", en->flags.cycles);
+ fprintf(fp, " %d cycles", en->flags.cycles);
if (insn)
- printf(" %.2f IPC", (float)insn / en->flags.cycles);
+ fprintf(fp, " %.2f IPC", (float)insn / en->flags.cycles);
}
- putchar('\n');
+ fputc('\n', fp);
}
static void fprint_ip_sym(struct thread *thread, u8 cpumode, int cpu,
@@ -807,13 +807,13 @@ static void fprint_ip_sym(struct thread *thread, u8 cpumode, int cpu,
off = al.addr - al.sym->start;
else
off = al.addr - al.map->start - al.sym->start;
- printf("\t%s", al.sym->name);
+ fprintf(fp, "\t%s", al.sym->name);
if (off)
- printf("%+d", off);
- putchar(':');
+ fprintf(fp, "%+d", off);
+ fputc(':', fp);
if (PRINT_FIELD(SRCLINE))
map__fprintf_srcline(al.map, al.addr, "\t", fp);
- putchar('\n');
+ fputc('\n', fp);
*lastsym = al.sym;
}
@@ -840,7 +840,7 @@ static void fprint_sample_brstackinsn(struct perf_sample *sample,
x.thread = thread;
x.cpu = sample->cpu;
- putchar('\n');
+ fputc('\n', fp);
/* Handle first from jump, of which we don't know the entry. */
len = grab_bb(buffer, br->entries[nr-1].from,
@@ -856,7 +856,7 @@ static void fprint_sample_brstackinsn(struct perf_sample *sample,
/* Print all blocks */
for (i = nr - 2; i >= 0; i--) {
if (br->entries[i].from || br->entries[i].to)
- pr_debug("%d: %" PRIx64 "-%" PRIx64 "\n", i,
+ fprintf(fp, "%d: %" PRIx64 "-%" PRIx64 "\n", i,
br->entries[i].from,
br->entries[i].to);
start = br->entries[i + 1].to;
@@ -866,7 +866,7 @@ static void fprint_sample_brstackinsn(struct perf_sample *sample,
/* Patch up missing kernel transfers due to ring filters */
if (len == -ENXIO && i > 0) {
end = br->entries[--i].from;
- pr_debug("\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
+ fprintf(fp, "\tpatching up to %" PRIx64 "-%" PRIx64 "\n", start, end);
len = grab_bb(buffer, start, end, machine, thread, &x.is64bit, &x.cpumode, false);
}
if (len <= 0)
@@ -881,7 +881,7 @@ static void fprint_sample_brstackinsn(struct perf_sample *sample,
fprint_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp);
break;
} else {
- printf("\t%016" PRIx64 "\t%s\n", ip,
+ fprintf(fp, "\t%016" PRIx64 "\t%s\n", ip,
dump_insn(&x, ip, buffer + off, len - off, &ilen));
if (ilen == 0)
break;
@@ -913,12 +913,12 @@ static void fprint_sample_brstackinsn(struct perf_sample *sample,
if (len <= 0)
return;
- printf("\t%016" PRIx64 "\t%s\n", sample->ip,
+ fprintf(fp, "\t%016" PRIx64 "\t%s\n", sample->ip,
dump_insn(&x, sample->ip, buffer, len, NULL));
return;
}
for (off = 0; off <= end - start; off += ilen) {
- printf("\t%016" PRIx64 "\t%s\n", start + off,
+ fprintf(fp, "\t%016" PRIx64 "\t%s\n", start + off,
dump_insn(&x, start + off, buffer + off, len - off, &ilen));
if (ilen == 0)
break;
@@ -931,7 +931,7 @@ static void fprint_sample_addr(struct perf_sample *sample,
{
struct addr_location al;
- printf("%16" PRIx64, sample->addr);
+ fprintf(fp, "%16" PRIx64, sample->addr);
if (!sample_addr_correlates_sym(attr))
return;
@@ -939,7 +939,7 @@ static void fprint_sample_addr(struct perf_sample *sample,
thread__resolve(thread, &al, sample);
if (PRINT_FIELD(SYM)) {
- printf(" ");
+ fprintf(fp, " ");
if (PRINT_FIELD(SYMOFFSET))
symbol__fprintf_symname_offs(al.sym, &al, fp);
else
@@ -947,9 +947,9 @@ static void fprint_sample_addr(struct perf_sample *sample,
}
if (PRINT_FIELD(DSO)) {
- printf(" (");
+ fprintf(fp, " (");
map__fprintf_dsoname(al.map, fp);
- printf(")");
+ fprintf(fp, ")");
}
}
@@ -992,9 +992,9 @@ static void fprint_sample_callindent(struct perf_sample *sample,
}
if (name)
- len = printf("%*s%s", (int)depth * 4, "", name);
+ len = fprintf(fp, "%*s%s", (int)depth * 4, "", name);
else if (ip)
- len = printf("%*s%16" PRIx64, (int)depth * 4, "", ip);
+ len = fprintf(fp, "%*s%16" PRIx64, (int)depth * 4, "", ip);
if (len < 0)
return;
@@ -1007,7 +1007,7 @@ static void fprint_sample_callindent(struct perf_sample *sample,
spacing = round_up(len + 4, 32);
if (len < spacing)
- printf("%*s", spacing - len, "");
+ fprintf(fp, "%*s", spacing - len, "");
}
static void fprint_insn(struct perf_sample *sample,
@@ -1017,13 +1017,13 @@ static void fprint_insn(struct perf_sample *sample,
FILE *fp)
{
if (PRINT_FIELD(INSNLEN))
- printf(" ilen: %d", sample->insn_len);
+ fprintf(fp, " ilen: %d", sample->insn_len);
if (PRINT_FIELD(INSN)) {
int i;
- printf(" insn:");
+ fprintf(fp, " insn:");
for (i = 0; i < sample->insn_len; i++)
- printf(" %02x", (unsigned char)sample->insn[i]);
+ fprintf(fp, " %02x", (unsigned char)sample->insn[i]);
}
if (PRINT_FIELD(BRSTACKINSN))
fprint_sample_brstackinsn(sample, thread, attr, machine, fp);
@@ -1054,13 +1054,13 @@ static void fprint_sample_bts(struct perf_sample *sample,
cursor = &callchain_cursor;
if (cursor == NULL) {
- putchar(' ');
+ fputc(' ', fp);
if (print_opts & EVSEL__PRINT_SRCLINE) {
print_srcline_last = true;
print_opts &= ~EVSEL__PRINT_SRCLINE;
}
} else
- putchar('\n');
+ fputc('\n', fp);
sample__fprintf_sym(sample, al, 0, print_opts, cursor, fp);
}
@@ -1069,7 +1069,7 @@ static void fprint_sample_bts(struct perf_sample *sample,
if (PRINT_FIELD(ADDR) ||
((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
!output[type].user_set)) {
- printf(" => ");
+ fprintf(fp, " => ");
fprint_sample_addr(sample, thread, attr, fp);
}
@@ -1078,7 +1078,7 @@ static void fprint_sample_bts(struct perf_sample *sample,
fprint_insn(sample, attr, thread, machine, fp);
- printf("\n");
+ fprintf(fp, "\n");
}
static struct {
@@ -1128,9 +1128,9 @@ static void fprint_sample_flags(u32 flags, FILE *fp)
str[pos] = 0;
if (name)
- printf(" %-7s%4s ", name, in_tx ? "(x)" : "");
+ fprintf(fp, " %-7s%4s ", name, in_tx ? "(x)" : "");
else
- printf(" %-11s ", str);
+ fprintf(fp, " %-11s ", str);
}
struct printer_data {
@@ -1151,30 +1151,30 @@ struct printer_data {
switch (op) {
case BINARY_PRINT_DATA_BEGIN:
- printf("\n");
+ fprintf(fp, "\n");
break;
case BINARY_PRINT_LINE_BEGIN:
- printf("%17s", !printer_data->line_no ? "BPF output:" :
+ fprintf(fp, "%17s", !printer_data->line_no ? "BPF output:" :
" ");
break;
case BINARY_PRINT_ADDR:
- printf(" %04x:", val);
+ fprintf(fp, " %04x:", val);
break;
case BINARY_PRINT_NUM_DATA:
- printf(" %02x", val);
+ fprintf(fp, " %02x", val);
break;
case BINARY_PRINT_NUM_PAD:
- printf(" ");
+ fprintf(fp, " ");
break;
case BINARY_PRINT_SEP:
- printf(" ");
+ fprintf(fp, " ");
break;
case BINARY_PRINT_CHAR_DATA:
if (printer_data->hit_nul && ch)
printer_data->is_printable = false;
if (!isprint(ch)) {
- printf("%c", '.');
+ fprintf(fp, "%c", '.');
if (!printer_data->is_printable)
break;
@@ -1184,14 +1184,14 @@ struct printer_data {
else
printer_data->is_printable = false;
} else {
- printf("%c", ch);
+ fprintf(fp, "%c", ch);
}
break;
case BINARY_PRINT_CHAR_PAD:
- printf(" ");
+ fprintf(fp, " ");
break;
case BINARY_PRINT_LINE_END:
- printf("\n");
+ fprintf(fp, "\n");
printer_data->line_no++;
break;
case BINARY_PRINT_DATA_END:
@@ -1209,14 +1209,14 @@ static void fprint_sample_bpf_output(struct perf_sample *sample, FILE *fp)
fprint_sample_bpf_output_printer, &printer_data);
if (printer_data.is_printable && printer_data.hit_nul)
- printf("%17s \"%s\"\n", "BPF string:",
+ fprintf(fp, "%17s \"%s\"\n", "BPF string:",
(char *)(sample->raw_data));
}
static void fprint_sample_spacing(int len, int spacing, FILE *fp)
{
if (len > 0 && len < spacing)
- printf("%*s", spacing - len, "");
+ fprintf(fp, "%*s", spacing - len, "");
}
static void fprint_sample_pt_spacing(int len, FILE *fp)
@@ -1232,7 +1232,7 @@ static void fprint_sample_synth_ptwrite(struct perf_sample *sample, FILE *fp)
if (perf_sample__bad_synth_size(sample, *data))
return;
- len = printf(" IP: %u payload: %#" PRIx64 " ",
+ len = fprintf(fp, " IP: %u payload: %#" PRIx64 " ",
data->ip, le64_to_cpu(data->payload));
fprint_sample_pt_spacing(len, fp);
}
@@ -1245,7 +1245,7 @@ static void fprint_sample_synth_mwait(struct perf_sample *sample, FILE *fp)
if (perf_sample__bad_synth_size(sample, *data))
return;
- len = printf(" hints: %#x extensions: %#x ",
+ len = fprintf(fp, " hints: %#x extensions: %#x ",
data->hints, data->extensions);
fprint_sample_pt_spacing(len, fp);
}
@@ -1258,7 +1258,7 @@ static void fprint_sample_synth_pwre(struct perf_sample *sample, FILE *fp)
if (perf_sample__bad_synth_size(sample, *data))
return;
- len = printf(" hw: %u cstate: %u sub-cstate: %u ",
+ len = fprintf(fp, " hw: %u cstate: %u sub-cstate: %u ",
data->hw, data->cstate, data->subcstate);
fprint_sample_pt_spacing(len, fp);
}
@@ -1271,7 +1271,7 @@ static void fprint_sample_synth_exstop(struct perf_sample *sample, FILE *fp)
if (perf_sample__bad_synth_size(sample, *data))
return;
- len = printf(" IP: %u ", data->ip);
+ len = fprintf(fp, " IP: %u ", data->ip);
fprint_sample_pt_spacing(len, fp);
}
@@ -1283,7 +1283,7 @@ static void fprint_sample_synth_pwrx(struct perf_sample *sample, FILE *fp)
if (perf_sample__bad_synth_size(sample, *data))
return;
- len = printf(" deepest cstate: %u last cstate: %u wake reason: %#x ",
+ len = fprintf(fp, " deepest cstate: %u last cstate: %u wake reason: %#x ",
data->deepest_cstate, data->last_cstate,
data->wake_reason);
fprint_sample_pt_spacing(len, fp);
@@ -1299,10 +1299,10 @@ static void fprint_sample_synth_cbr(struct perf_sample *sample, FILE *fp)
return;
freq = (le32_to_cpu(data->freq) + 500) / 1000;
- len = printf(" cbr: %2u freq: %4u MHz ", data->cbr, freq);
+ len = fprintf(fp, " cbr: %2u freq: %4u MHz ", data->cbr, freq);
if (data->max_nonturbo) {
percent = (5 + (1000 * data->cbr) / data->max_nonturbo) / 10;
- len += printf("(%3u%%) ", percent);
+ len += fprintf(fp, "(%3u%%) ", percent);
}
fprint_sample_pt_spacing(len, fp);
}
@@ -1377,7 +1377,7 @@ static size_t data_src__fprintf(u64 data_src, FILE *fp)
if (maxlen < len)
maxlen = len;
- return printf("%-*s", maxlen, out);
+ return fprintf(fp, "%-*s", maxlen, out);
}
static void process_event(struct perf_script *script,
@@ -1389,21 +1389,30 @@ static void process_event(struct perf_script *script,
struct perf_event_attr *attr = &evsel->attr;
unsigned int type = output_type(attr->type);
+ const char *evname;
+ char *file_name;
if (output[type].fields == 0)
return;
+ evname = perf_evsel__name(evsel);
+ if (script->tool.per_event_dump == true) {
+ if (asprintf(&file_name, "%s%s", evname, ".stack") < 0)
+ file_name = NULL;
+ fp = fopen(file_name, "a+");
+ if (!fp)
+ return;
+ free(file_name);
+ }
fprint_sample_start(sample, thread, evsel, fp);
if (PRINT_FIELD(PERIOD))
- printf("%10" PRIu64 " ", sample->period);
+ fprintf(fp, "%10" PRIu64 " ", sample->period);
if (PRINT_FIELD(EVNAME)) {
- const char *evname = perf_evsel__name(evsel);
-
if (!script->name_width)
script->name_width = perf_evlist__max_name_len(script->session->evlist);
- printf("%*s: ", script->name_width,
+ fprintf(fp, "%*s: ", script->name_width,
evname ? evname : "[unknown]");
}
@@ -1429,7 +1438,7 @@ static void process_event(struct perf_script *script,
data_src__fprintf(sample->data_src, fp);
if (PRINT_FIELD(WEIGHT))
- printf("%16" PRIu64, sample->weight);
+ fprintf(fp, "%16" PRIu64, sample->weight);
if (PRINT_FIELD(IP)) {
struct callchain_cursor *cursor = NULL;
@@ -1439,7 +1448,7 @@ static void process_event(struct perf_script *script,
sample, NULL, NULL, scripting_max_stack) == 0)
cursor = &callchain_cursor;
- putchar(cursor ? '\n' : ' ');
+ fputc(cursor ? '\n' : ' ', fp);
sample__fprintf_sym(sample, al, 0, output[type].print_ip_opts, cursor, fp);
}
@@ -1456,7 +1465,9 @@ static void process_event(struct perf_script *script,
if (perf_evsel__is_bpf_output(evsel) && PRINT_FIELD(BPF_OUTPUT))
fprint_sample_bpf_output(sample, fp);
fprint_insn(sample, attr, thread, machine, fp);
- printf("\n");
+ fprintf(fp, "\n");
+ if (script->tool.per_event_dump == true)
+ fclose(fp);
}
static struct scripting_ops *scripting_ops;
--
1.8.3.1