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Date: Wed, 12 Aug 2009 12:48:30 +0200
From: Frederic Weisbecker <fweisbec@...il.com>
To: Ingo Molnar <mingo@...e.hu>
Cc: LKML <linux-kernel@...r.kernel.org>,
Frederic Weisbecker <fweisbec@...il.com>,
Arnaldo Carvalho de Melo <acme@...hat.com>,
Peter Zijlstra <peterz@...radead.org>,
Mike Galbraith <efault@....de>,
Brice Goglin <Brice.Goglin@...ia.fr>
Subject: [PATCH 1/3 v2] perf tools: Factorize high level dso helpers
Factorize multiple definitions of high level dso helpers into the
symbol source file.
The side effect is a general export of the verbose and eprintf
debugging helpers into a new file dedicated to debugging purposes.
Signed-off-by: Frederic Weisbecker <fweisbec@...il.com>
Cc: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Mike Galbraith <efault@....de>
Cc: Brice Goglin <Brice.Goglin@...ia.fr>
---
tools/perf/Makefile | 1 +
tools/perf/builtin-annotate.c | 96 ----------------------------------------
tools/perf/builtin-record.c | 1 -
tools/perf/builtin-report.c | 97 -----------------------------------------
tools/perf/builtin-stat.c | 1 -
tools/perf/builtin-top.c | 4 --
tools/perf/builtin.h | 1 +
tools/perf/perf.h | 1 +
tools/perf/util/debug.c | 22 +++++++++
tools/perf/util/debug.h | 5 ++
tools/perf/util/symbol.c | 97 +++++++++++++++++++++++++++++++++++++++++
tools/perf/util/symbol.h | 11 +++++
12 files changed, 138 insertions(+), 199 deletions(-)
create mode 100644 tools/perf/util/debug.c
create mode 100644 tools/perf/util/debug.h
diff --git a/tools/perf/Makefile b/tools/perf/Makefile
index de7beac..2aee21b 100644
--- a/tools/perf/Makefile
+++ b/tools/perf/Makefile
@@ -339,6 +339,7 @@ LIB_OBJS += util/pager.o
LIB_OBJS += util/header.o
LIB_OBJS += util/callchain.o
LIB_OBJS += util/values.o
+LIB_OBJS += util/debug.o
BUILTIN_OBJS += builtin-annotate.o
BUILTIN_OBJS += builtin-help.o
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c
index 1dba568..1a79299 100644
--- a/tools/perf/builtin-annotate.c
+++ b/tools/perf/builtin-annotate.c
@@ -26,7 +26,6 @@
#define SHOW_HV 4
static char const *input_name = "perf.data";
-static char *vmlinux = "vmlinux";
static char default_sort_order[] = "comm,symbol";
static char *sort_order = default_sort_order;
@@ -37,9 +36,6 @@ 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 verbose;
-
-static int modules;
static int full_paths;
@@ -89,98 +85,6 @@ struct sym_ext {
char *path;
};
-static LIST_HEAD(dsos);
-static struct dso *kernel_dso;
-static struct dso *vdso;
-
-
-static void dsos__add(struct dso *dso)
-{
- list_add_tail(&dso->node, &dsos);
-}
-
-static struct dso *dsos__find(const char *name)
-{
- struct dso *pos;
-
- list_for_each_entry(pos, &dsos, node)
- if (strcmp(pos->name, name) == 0)
- return pos;
- return NULL;
-}
-
-static struct dso *dsos__findnew(const char *name)
-{
- struct dso *dso = dsos__find(name);
- int nr;
-
- if (dso)
- return dso;
-
- dso = dso__new(name, 0);
- if (!dso)
- goto out_delete_dso;
-
- nr = dso__load(dso, NULL, verbose);
- if (nr < 0) {
- if (verbose)
- fprintf(stderr, "Failed to open: %s\n", name);
- goto out_delete_dso;
- }
- if (!nr && verbose) {
- fprintf(stderr,
- "No symbols found in: %s, maybe install a debug package?\n",
- name);
- }
-
- dsos__add(dso);
-
- return dso;
-
-out_delete_dso:
- dso__delete(dso);
- return NULL;
-}
-
-static void dsos__fprintf(FILE *fp)
-{
- struct dso *pos;
-
- list_for_each_entry(pos, &dsos, node)
- dso__fprintf(pos, fp);
-}
-
-static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip)
-{
- return dso__find_symbol(dso, ip);
-}
-
-static int load_kernel(void)
-{
- int err;
-
- kernel_dso = dso__new("[kernel]", 0);
- if (!kernel_dso)
- return -1;
-
- err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose, modules);
- if (err <= 0) {
- dso__delete(kernel_dso);
- kernel_dso = NULL;
- } else
- dsos__add(kernel_dso);
-
- vdso = dso__new("[vdso]", 0);
- if (!vdso)
- return -1;
-
- vdso->find_symbol = vdso__find_symbol;
-
- dsos__add(vdso);
-
- return err;
-}
-
struct map {
struct list_head node;
u64 start;
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 0345aad..afae387 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -40,7 +40,6 @@ static int inherit = 1;
static int force = 0;
static int append_file = 0;
static int call_graph = 0;
-static int verbose = 0;
static int inherit_stat = 0;
static int no_samples = 0;
static int sample_address = 0;
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 2357c66..827eab2 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -30,7 +30,6 @@
#define SHOW_HV 4
static char const *input_name = "perf.data";
-static char *vmlinux = NULL;
static char default_sort_order[] = "comm,dso,symbol";
static char *sort_order = default_sort_order;
@@ -46,11 +45,6 @@ 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 verbose;
-#define eprintf(x...) do { if (verbose) fprintf(stderr, x); } while (0)
-
-static int modules;
-
static int full_paths;
static int show_nr_samples;
@@ -161,98 +155,7 @@ static int repsep_fprintf(FILE *fp, const char *fmt, ...)
return n;
}
-static LIST_HEAD(dsos);
-static struct dso *kernel_dso;
-static struct dso *vdso;
-static struct dso *hypervisor_dso;
-
-static void dsos__add(struct dso *dso)
-{
- list_add_tail(&dso->node, &dsos);
-}
-
-static struct dso *dsos__find(const char *name)
-{
- struct dso *pos;
-
- list_for_each_entry(pos, &dsos, node)
- if (strcmp(pos->name, name) == 0)
- return pos;
- return NULL;
-}
-
-static struct dso *dsos__findnew(const char *name)
-{
- struct dso *dso = dsos__find(name);
- int nr;
-
- if (dso)
- return dso;
-
- dso = dso__new(name, 0);
- if (!dso)
- goto out_delete_dso;
-
- nr = dso__load(dso, NULL, verbose);
- if (nr < 0) {
- eprintf("Failed to open: %s\n", name);
- goto out_delete_dso;
- }
- if (!nr)
- eprintf("No symbols found in: %s, maybe install a debug package?\n", name);
-
- dsos__add(dso);
-
- return dso;
-
-out_delete_dso:
- dso__delete(dso);
- return NULL;
-}
-
-static void dsos__fprintf(FILE *fp)
-{
- struct dso *pos;
-
- list_for_each_entry(pos, &dsos, node)
- dso__fprintf(pos, fp);
-}
-
-static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip)
-{
- return dso__find_symbol(dso, ip);
-}
-
-static int load_kernel(void)
-{
- int err;
-
- kernel_dso = dso__new("[kernel]", 0);
- if (!kernel_dso)
- return -1;
-
- err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose, modules);
- if (err <= 0) {
- dso__delete(kernel_dso);
- kernel_dso = NULL;
- } else
- dsos__add(kernel_dso);
-
- vdso = dso__new("[vdso]", 0);
- if (!vdso)
- return -1;
- vdso->find_symbol = vdso__find_symbol;
-
- dsos__add(vdso);
-
- hypervisor_dso = dso__new("[hypervisor]", 0);
- if (!hypervisor_dso)
- return -1;
- dsos__add(hypervisor_dso);
-
- return err;
-}
static char __cwd[PATH_MAX];
static char *cwd = __cwd;
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index b4b06c7..4b9dd4a 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -63,7 +63,6 @@ static struct perf_counter_attr default_attrs[] = {
#define MAX_RUN 100
static int system_wide = 0;
-static int verbose = 0;
static unsigned int nr_cpus = 0;
static int run_idx = 0;
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index 7de28ce..0aa5673 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -68,8 +68,6 @@ static int group = 0;
static unsigned int page_size;
static unsigned int mmap_pages = 16;
static int freq = 0;
-static int verbose = 0;
-static char *vmlinux = NULL;
static int delay_secs = 2;
static int zero;
@@ -338,8 +336,6 @@ static void show_details(struct sym_entry *syme)
printf("%d lines not displayed, maybe increase display entries [e]\n", more);
}
-struct dso *kernel_dso;
-
/*
* Symbols will be added here in record_ip and will get out
* after decayed.
diff --git a/tools/perf/builtin.h b/tools/perf/builtin.h
index 51d1682..3a63e41 100644
--- a/tools/perf/builtin.h
+++ b/tools/perf/builtin.h
@@ -22,5 +22,6 @@ extern int cmd_stat(int argc, const char **argv, const char *prefix);
extern int cmd_top(int argc, const char **argv, const char *prefix);
extern int cmd_version(int argc, const char **argv, const char *prefix);
extern int cmd_list(int argc, const char **argv, const char *prefix);
+extern int cmd_trace(int argc, const char **argv, const char *prefix);
#endif
diff --git a/tools/perf/perf.h b/tools/perf/perf.h
index e5148e2..f550921 100644
--- a/tools/perf/perf.h
+++ b/tools/perf/perf.h
@@ -48,6 +48,7 @@
#include "../../include/linux/perf_counter.h"
#include "util/types.h"
+#include "util/debug.h"
/*
* prctl(PR_TASK_PERF_COUNTERS_DISABLE) will (cheaply) disable all
diff --git a/tools/perf/util/debug.c b/tools/perf/util/debug.c
new file mode 100644
index 0000000..7cb8464
--- /dev/null
+++ b/tools/perf/util/debug.c
@@ -0,0 +1,22 @@
+/* For general debugging purposes */
+
+#include "../perf.h"
+#include <string.h>
+#include <stdarg.h>
+#include <stdio.h>
+
+int verbose = 0;
+
+int eprintf(const char *fmt, ...)
+{
+ va_list args;
+ int ret = 0;
+
+ if (verbose) {
+ va_start(args, fmt);
+ ret = vfprintf(stderr, fmt, args);
+ va_end(args);
+ }
+
+ return ret;
+}
diff --git a/tools/perf/util/debug.h b/tools/perf/util/debug.h
new file mode 100644
index 0000000..2ae9090
--- /dev/null
+++ b/tools/perf/util/debug.h
@@ -0,0 +1,5 @@
+/* For debugging general purposes */
+
+extern int verbose;
+
+int eprintf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index f1dcede..e9b13b4 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -937,6 +937,103 @@ int dso__load_kernel(struct dso *self, const char *vmlinux,
return err;
}
+LIST_HEAD(dsos);
+struct dso *kernel_dso;
+struct dso *vdso;
+struct dso *hypervisor_dso;
+
+char *vmlinux = "vmlinux";
+int modules;
+
+static void dsos__add(struct dso *dso)
+{
+ list_add_tail(&dso->node, &dsos);
+}
+
+static struct dso *dsos__find(const char *name)
+{
+ struct dso *pos;
+
+ list_for_each_entry(pos, &dsos, node)
+ if (strcmp(pos->name, name) == 0)
+ return pos;
+ return NULL;
+}
+
+struct dso *dsos__findnew(const char *name)
+{
+ struct dso *dso = dsos__find(name);
+ int nr;
+
+ if (dso)
+ return dso;
+
+ dso = dso__new(name, 0);
+ if (!dso)
+ goto out_delete_dso;
+
+ nr = dso__load(dso, NULL, verbose);
+ if (nr < 0) {
+ eprintf("Failed to open: %s\n", name);
+ goto out_delete_dso;
+ }
+ if (!nr)
+ eprintf("No symbols found in: %s, maybe install a debug package?\n", name);
+
+ dsos__add(dso);
+
+ return dso;
+
+out_delete_dso:
+ dso__delete(dso);
+ return NULL;
+}
+
+void dsos__fprintf(FILE *fp)
+{
+ struct dso *pos;
+
+ list_for_each_entry(pos, &dsos, node)
+ dso__fprintf(pos, fp);
+}
+
+static struct symbol *vdso__find_symbol(struct dso *dso, u64 ip)
+{
+ return dso__find_symbol(dso, ip);
+}
+
+int load_kernel(void)
+{
+ int err;
+
+ kernel_dso = dso__new("[kernel]", 0);
+ if (!kernel_dso)
+ return -1;
+
+ err = dso__load_kernel(kernel_dso, vmlinux, NULL, verbose, modules);
+ if (err <= 0) {
+ dso__delete(kernel_dso);
+ kernel_dso = NULL;
+ } else
+ dsos__add(kernel_dso);
+
+ vdso = dso__new("[vdso]", 0);
+ if (!vdso)
+ return -1;
+
+ vdso->find_symbol = vdso__find_symbol;
+
+ dsos__add(vdso);
+
+ hypervisor_dso = dso__new("[hypervisor]", 0);
+ if (!hypervisor_dso)
+ return -1;
+ dsos__add(hypervisor_dso);
+
+ return err;
+}
+
+
void symbol__init(void)
{
elf_version(EV_CURRENT);
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 1e003ec..f3490fc 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -48,9 +48,20 @@ int dso__load_kernel(struct dso *self, const char *vmlinux,
symbol_filter_t filter, int verbose, int modules);
int dso__load_modules(struct dso *self, symbol_filter_t filter, int verbose);
int dso__load(struct dso *self, symbol_filter_t filter, int verbose);
+struct dso *dsos__findnew(const char *name);
+void dsos__fprintf(FILE *fp);
size_t dso__fprintf(struct dso *self, FILE *fp);
char dso__symtab_origin(const struct dso *self);
+int load_kernel(void);
+
void symbol__init(void);
+
+extern struct list_head dsos;
+extern struct dso *kernel_dso;
+extern struct dso *vdso;
+extern struct dso *hypervisor_dso;
+extern char *vmlinux;
+extern int modules;
#endif /* _PERF_SYMBOL_ */
--
1.6.2.3
--
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