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Commit 2cec19d9 authored by Frederic Weisbecker's avatar Frederic Weisbecker Committed by Ingo Molnar
Browse files

perf tools: Factorize the dprintf definition



We have two users of dprintf: report and annotate. Another one
is coming with perf trace. Then factorize it into the debug
file.

While at it, rename dprintf() to dump_printf() so that it
doesn't conflicts with its libc homograph.

Signed-off-by: default avatarFrederic Weisbecker <fweisbec@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
LKML-Reference: <1250443461-28130-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 0d31b82d
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+18 −22
Original line number Diff line number Diff line
@@ -34,10 +34,6 @@ static char *sort_order = default_sort_order;
static int		input;
static int		show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;

static int		dump_trace = 0;
#define dprintf(x...)	do { if (dump_trace) printf(x); } while (0)


static int		full_paths;

static int		print_line;
@@ -507,14 +503,14 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)

	thread = threads__findnew(event->ip.pid, &threads, &last_match);

	dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n",
	dump_printf("%p [%p]: PERF_EVENT (IP, %d): %d: %p\n",
		(void *)(offset + head),
		(void *)(long)(event->header.size),
		event->header.misc,
		event->ip.pid,
		(void *)(long)ip);

	dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid);
	dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);

	if (thread == NULL) {
		fprintf(stderr, "problem processing %d event, skipping it.\n",
@@ -528,7 +524,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)

		dso = kernel_dso;

		dprintf(" ...... dso: %s\n", dso->name);
		dump_printf(" ...... dso: %s\n", dso->name);

	} else if (event->header.misc & PERF_EVENT_MISC_USER) {

@@ -549,12 +545,12 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
			if ((long long)ip < 0)
				dso = kernel_dso;
		}
		dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>");
		dump_printf(" ...... dso: %s\n", dso ? dso->name : "<not found>");

	} else {
		show = SHOW_HV;
		level = 'H';
		dprintf(" ...... dso: [hypervisor]\n");
		dump_printf(" ...... dso: [hypervisor]\n");
	}

	if (show & show_mask) {
@@ -582,7 +578,7 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head)

	thread = threads__findnew(event->mmap.pid, &threads, &last_match);

	dprintf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n",
	dump_printf("%p [%p]: PERF_EVENT_MMAP %d: [%p(%p) @ %p]: %s\n",
		(void *)(offset + head),
		(void *)(long)(event->header.size),
		event->mmap.pid,
@@ -592,7 +588,7 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
		event->mmap.filename);

	if (thread == NULL || map == NULL) {
		dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n");
		dump_printf("problem processing PERF_EVENT_MMAP, skipping event.\n");
		return 0;
	}

@@ -608,14 +604,14 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head)
	struct thread *thread;

	thread = threads__findnew(event->comm.pid, &threads, &last_match);
	dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
	dump_printf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
		(void *)(offset + head),
		(void *)(long)(event->header.size),
		event->comm.comm, event->comm.pid);

	if (thread == NULL ||
	    thread__set_comm(thread, event->comm.comm)) {
		dprintf("problem processing PERF_EVENT_COMM, skipping event.\n");
		dump_printf("problem processing PERF_EVENT_COMM, skipping event.\n");
		return -1;
	}
	total_comm++;
@@ -631,13 +627,13 @@ process_fork_event(event_t *event, unsigned long offset, unsigned long head)

	thread = threads__findnew(event->fork.pid, &threads, &last_match);
	parent = threads__findnew(event->fork.ppid, &threads, &last_match);
	dprintf("%p [%p]: PERF_EVENT_FORK: %d:%d\n",
	dump_printf("%p [%p]: PERF_EVENT_FORK: %d:%d\n",
		(void *)(offset + head),
		(void *)(long)(event->header.size),
		event->fork.pid, event->fork.ppid);

	if (!thread || !parent || thread__fork(thread, parent)) {
		dprintf("problem processing PERF_EVENT_FORK, skipping event.\n");
		dump_printf("problem processing PERF_EVENT_FORK, skipping event.\n");
		return -1;
	}
	total_fork++;
@@ -1022,14 +1018,14 @@ static int __cmd_annotate(void)

	size = event->header.size;

	dprintf("%p [%p]: event: %d\n",
	dump_printf("%p [%p]: event: %d\n",
			(void *)(offset + head),
			(void *)(long)event->header.size,
			event->header.type);

	if (!size || process_event(event, offset, head) < 0) {

		dprintf("%p [%p]: skipping unknown header type: %d\n",
		dump_printf("%p [%p]: skipping unknown header type: %d\n",
			(void *)(offset + head),
			(void *)(long)(event->header.size),
			event->header.type);
@@ -1055,11 +1051,11 @@ static int __cmd_annotate(void)
	rc = EXIT_SUCCESS;
	close(input);

	dprintf("      IP events: %10ld\n", total);
	dprintf("    mmap events: %10ld\n", total_mmap);
	dprintf("    comm events: %10ld\n", total_comm);
	dprintf("    fork events: %10ld\n", total_fork);
	dprintf(" unknown events: %10ld\n", total_unknown);
	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(" unknown events: %10ld\n", total_unknown);

	if (dump_trace)
		return 0;
+27 −29
Original line number Diff line number Diff line
@@ -43,8 +43,6 @@ static char *field_sep;
static int		input;
static int		show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;

static int		dump_trace = 0;
#define dprintf(x...)	do { if (dump_trace) printf(x); } while (0)
#define cdprintf(x...)	do { if (dump_trace) color_fprintf(stdout, color, x); } while (0)

static int		full_paths;
@@ -713,8 +711,8 @@ resolve_symbol(struct thread *thread, struct map **mapp,
		if ((long long)ip < 0)
		dso = kernel_dso;
	}
	dprintf(" ...... dso: %s\n", dso ? dso->name : "<not found>");
	dprintf(" ...... map: %Lx -> %Lx\n", *ipp, ip);
	dump_printf(" ...... dso: %s\n", dso ? dso->name : "<not found>");
	dump_printf(" ...... map: %Lx -> %Lx\n", *ipp, ip);
	*ipp  = ip;

	if (dsop)
@@ -1108,7 +1106,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)
		more_data += sizeof(u64);
	}

	dprintf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
	dump_printf("%p [%p]: PERF_EVENT_SAMPLE (IP, %d): %d/%d: %p period: %Ld\n",
		(void *)(offset + head),
		(void *)(long)(event->header.size),
		event->header.misc,
@@ -1121,7 +1119,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)

		chain = (void *)more_data;

		dprintf("... chain: nr:%Lu\n", chain->nr);
		dump_printf("... chain: nr:%Lu\n", chain->nr);

		if (validate_chain(chain, event) < 0) {
			eprintf("call-chain problem with event, skipping it.\n");
@@ -1130,11 +1128,11 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)

		if (dump_trace) {
			for (i = 0; i < chain->nr; i++)
				dprintf("..... %2d: %016Lx\n", i, chain->ips[i]);
				dump_printf("..... %2d: %016Lx\n", i, chain->ips[i]);
		}
	}

	dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid);
	dump_printf(" ... thread: %s:%d\n", thread->comm, thread->pid);

	if (thread == NULL) {
		eprintf("problem processing %d event, skipping it.\n",
@@ -1153,7 +1151,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)

		dso = kernel_dso;

		dprintf(" ...... dso: %s\n", dso->name);
		dump_printf(" ...... dso: %s\n", dso->name);

	} else if (cpumode == PERF_EVENT_MISC_USER) {

@@ -1166,7 +1164,7 @@ process_sample_event(event_t *event, unsigned long offset, unsigned long head)

		dso = hypervisor_dso;

		dprintf(" ...... dso: [hypervisor]\n");
		dump_printf(" ...... dso: [hypervisor]\n");
	}

	if (show & show_mask) {
@@ -1197,7 +1195,7 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head)

	thread = threads__findnew(event->mmap.pid, &threads, &last_match);

	dprintf("%p [%p]: PERF_EVENT_MMAP %d/%d: [%p(%p) @ %p]: %s\n",
	dump_printf("%p [%p]: PERF_EVENT_MMAP %d/%d: [%p(%p) @ %p]: %s\n",
		(void *)(offset + head),
		(void *)(long)(event->header.size),
		event->mmap.pid,
@@ -1208,7 +1206,7 @@ process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
		event->mmap.filename);

	if (thread == NULL || map == NULL) {
		dprintf("problem processing PERF_EVENT_MMAP, skipping event.\n");
		dump_printf("problem processing PERF_EVENT_MMAP, skipping event.\n");
		return 0;
	}

@@ -1225,14 +1223,14 @@ process_comm_event(event_t *event, unsigned long offset, unsigned long head)

	thread = threads__findnew(event->comm.pid, &threads, &last_match);

	dprintf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
	dump_printf("%p [%p]: PERF_EVENT_COMM: %s:%d\n",
		(void *)(offset + head),
		(void *)(long)(event->header.size),
		event->comm.comm, event->comm.pid);

	if (thread == NULL ||
	    thread__set_comm(thread, event->comm.comm)) {
		dprintf("problem processing PERF_EVENT_COMM, skipping event.\n");
		dump_printf("problem processing PERF_EVENT_COMM, skipping event.\n");
		return -1;
	}
	total_comm++;
@@ -1249,7 +1247,7 @@ process_task_event(event_t *event, unsigned long offset, unsigned long head)
	thread = threads__findnew(event->fork.pid, &threads, &last_match);
	parent = threads__findnew(event->fork.ppid, &threads, &last_match);

	dprintf("%p [%p]: PERF_EVENT_%s: (%d:%d):(%d:%d)\n",
	dump_printf("%p [%p]: PERF_EVENT_%s: (%d:%d):(%d:%d)\n",
		(void *)(offset + head),
		(void *)(long)(event->header.size),
		event->header.type == PERF_EVENT_FORK ? "FORK" : "EXIT",
@@ -1267,7 +1265,7 @@ process_task_event(event_t *event, unsigned long offset, unsigned long head)
		return 0;

	if (!thread || !parent || thread__fork(thread, parent)) {
		dprintf("problem processing PERF_EVENT_FORK, skipping event.\n");
		dump_printf("problem processing PERF_EVENT_FORK, skipping event.\n");
		return -1;
	}
	total_fork++;
@@ -1278,7 +1276,7 @@ process_task_event(event_t *event, unsigned long offset, unsigned long head)
static int
process_lost_event(event_t *event, unsigned long offset, unsigned long head)
{
	dprintf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n",
	dump_printf("%p [%p]: PERF_EVENT_LOST: id:%Ld: lost:%Ld\n",
		(void *)(offset + head),
		(void *)(long)(event->header.size),
		event->lost.id,
@@ -1298,12 +1296,12 @@ static void trace_event(event_t *event)
	if (!dump_trace)
		return;

	dprintf(".");
	dump_printf(".");
	cdprintf("\n. ... raw event: size %d bytes\n", event->header.size);

	for (i = 0; i < event->header.size; i++) {
		if ((i & 15) == 0) {
			dprintf(".");
			dump_printf(".");
			cdprintf("  %04x: ", i);
		}

@@ -1322,7 +1320,7 @@ static void trace_event(event_t *event)
			cdprintf("\n");
		}
	}
	dprintf(".\n");
	dump_printf(".\n");
}

static struct perf_header	*header;
@@ -1359,7 +1357,7 @@ process_read_event(event_t *event, unsigned long offset, unsigned long head)
					   event->read.value);
	}

	dprintf("%p [%p]: PERF_EVENT_READ: %d %d %s %Lu\n",
	dump_printf("%p [%p]: PERF_EVENT_READ: %d %d %s %Lu\n",
			(void *)(offset + head),
			(void *)(long)(event->header.size),
			event->read.pid,
@@ -1540,14 +1538,14 @@ static int __cmd_report(void)

	size = event->header.size;

	dprintf("\n%p [%p]: event: %d\n",
	dump_printf("\n%p [%p]: event: %d\n",
			(void *)(offset + head),
			(void *)(long)event->header.size,
			event->header.type);

	if (!size || process_event(event, offset, head) < 0) {

		dprintf("%p [%p]: skipping unknown header type: %d\n",
		dump_printf("%p [%p]: skipping unknown header type: %d\n",
			(void *)(offset + head),
			(void *)(long)(event->header.size),
			event->header.type);
@@ -1577,12 +1575,12 @@ static int __cmd_report(void)
	rc = EXIT_SUCCESS;
	close(input);

	dprintf("      IP events: %10ld\n", total);
	dprintf("    mmap events: %10ld\n", total_mmap);
	dprintf("    comm events: %10ld\n", total_comm);
	dprintf("    fork events: %10ld\n", total_fork);
	dprintf("    lost events: %10ld\n", total_lost);
	dprintf(" unknown events: %10ld\n", total_unknown);
	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", total_unknown);

	if (dump_trace)
		return 0;
+15 −0
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@
#include <stdio.h>

int verbose = 0;
int dump_trace = 0;

int eprintf(const char *fmt, ...)
{
@@ -20,3 +21,17 @@ int eprintf(const char *fmt, ...)

	return ret;
}

int dump_printf(const char *fmt, ...)
{
	va_list args;
	int ret = 0;

	if (dump_trace) {
		va_start(args, fmt);
		ret = vprintf(fmt, args);
		va_end(args);
	}

	return ret;
}
+2 −0
Original line number Diff line number Diff line
/* For debugging general purposes */

extern int verbose;
extern int dump_trace;

int eprintf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
int dump_printf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));