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perf kmem: Add new option to show raw ip 

Add option "--raw-ip" to show raw ip instead of symbols:

 # ./perf kmem --stat caller --raw-ip
 ------------------------------------------------------------------------------
 Callsite                    |Total_alloc/Per | Total_req/Per | Hit  | Frag
 ------------------------------------------------------------------------------
 0xc05301aa                  |  733184/4096   |  733184/4096  |   179|   0.000%
 0xc0542ba0                  |  483328/4096   |  483328/4096  |   118|   0.000%
 ...

Also show symbols with format sym+offset instead of sym/offset.

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: linux-mm@kvack.org <linux-mm@kvack.org>
LKML-Reference: <4B0B6E5C.4080900@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Li Zefan 2009-11-24 13:25:48 +08:00 committed by Ingo Molnar
parent ee3d250446
commit 7707b6b6f8
1 changed files with 10 additions and 8 deletions
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18
tools/perf/builtin-kmem.c
View File

@ -32,15 +32,14 @@ sort_fn_t caller_sort_fn;
static int alloc_lines = -1;
static int caller_lines = -1;
static bool raw_ip;
static char *cwd;
static int cwdlen;
struct alloc_stat {
union {
struct {
char *name;
u64 call_site;
};
u64 call_site;
u64 ptr;
};
u64 bytes_req;
@ -323,12 +322,14 @@ static void __print_result(struct rb_root *root, int n_lines, int is_caller)
if (is_caller) {
addr = data->call_site;
sym = kernel_maps__find_symbol(addr, NULL, NULL);
if (!raw_ip)
sym = kernel_maps__find_symbol(addr,
NULL, NULL);
} else
addr = data->ptr;
if (sym != NULL)
snprintf(bf, sizeof(bf), "%s/%Lx", sym->name,
snprintf(bf, sizeof(bf), "%s+%Lx", sym->name,
addr - sym->start);
else
snprintf(bf, sizeof(bf), "%#Lx", addr);
@ -345,9 +346,9 @@ static void __print_result(struct rb_root *root, int n_lines, int is_caller)
}
if (n_lines == -1)
printf(" ... | ... | ... | ... | ... \n");
printf(" ... | ... | ... | ... | ... \n");
printf(" ------------------------------------------------------------------------------\n");
printf("%.78s\n", graph_dotted_line);
}
static void print_summary(void)
@ -558,6 +559,7 @@ static const struct option kmem_options[] = {
OPT_CALLBACK('l', "line", NULL, "num",
"show n lins",
parse_line_opt),
OPT_BOOLEAN(0, "raw-ip", &raw_ip, "show raw ip instead of symbol"),
OPT_END()
};