From 1b145ae58035f30353d78d25bea665091df9b438 Mon Sep 17 00:00:00 2001 From: Arnaldo Carvalho de Melo Date: Mon, 23 Nov 2009 17:51:09 -0200 Subject: [PATCH] perf kmem: Resolve symbols MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit E.g.: [root@doppio linux-2.6-tip]# perf kmem record sleep 3s [ perf record: Woken up 2 times to write data ] [ perf record: Captured and wrote 0.804 MB perf.data (~35105 samples) ] [root@doppio linux-2.6-tip]# perf kmem --stat caller | head -10 ------------------------------------------------------------------------------ Callsite |Total_alloc/Per | Total_req/Per | Hit | Frag ------------------------------------------------------------------------------ getname/40 | 1519616/4096 | 1519616/4096 | 371| 0.000% seq_read/a2 | 987136/4096 | 987136/4096 | 241| 0.000% __netdev_alloc_skb/43 | 260368/1049 | 259968/1048 | 248| 0.154% __alloc_skb/5a | 77312/256 | 77312/256 | 302| 0.000% proc_alloc_inode/33 | 76480/632 | 76472/632 | 121| 0.010% get_empty_filp/8d | 70272/192 | 70272/192 | 366| 0.000% split_vma/8e | 42064/176 | 42064/176 | 239| 0.000% [root@doppio linux-2.6-tip]# Signed-off-by: Arnaldo Carvalho de Melo Acked-by: Pekka Enberg Cc: Eduard - Gabriel Munteanu Cc: Frédéric Weisbecker Cc: linux-mm@kvack.org Cc: Li Zefan Cc: Mike Galbraith Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Steven Rostedt LKML-Reference: <1259005869-13487-2-git-send-email-acme@infradead.org> Signed-off-by: Ingo Molnar --- tools/perf/builtin-kmem.c | 37 +++++++++++++++++++++++-------------- 1 file changed, 23 insertions(+), 14 deletions(-) diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index 5d8aeae50004..256d18fa0471 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -307,25 +307,34 @@ static void __print_result(struct rb_root *root, int n_lines, int is_caller) { struct rb_node *next; - printf("\n ------------------------------------------------------------------------------\n"); - if (is_caller) - printf(" Callsite |"); - else - printf(" Alloc Ptr |"); - printf(" Total_alloc/Per | Total_req/Per | Hit | Fragmentation\n"); - printf(" ------------------------------------------------------------------------------\n"); + printf("%.78s\n", graph_dotted_line); + printf("%-28s|", is_caller ? "Callsite": "Alloc Ptr"); + printf("Total_alloc/Per | Total_req/Per | Hit | Frag\n"); + printf("%.78s\n", graph_dotted_line); next = rb_first(root); while (next && n_lines--) { - struct alloc_stat *data; - - data = rb_entry(next, struct alloc_stat, node); + struct alloc_stat *data = rb_entry(next, struct alloc_stat, + node); + struct symbol *sym = NULL; + char bf[BUFSIZ]; + u64 addr; + + if (is_caller) { + addr = data->call_site; + sym = kernel_maps__find_symbol(addr, NULL, NULL); + } else + addr = data->ptr; + + if (sym != NULL) + snprintf(bf, sizeof(bf), "%s/%Lx", sym->name, + addr - sym->start); + else + snprintf(bf, sizeof(bf), "%#Lx", addr); - printf(" %-16p | %8llu/%-6lu | %8llu/%-6lu | %6lu | %8.3f%%\n", - is_caller ? (void *)(unsigned long)data->call_site : - (void *)(unsigned long)data->ptr, - (unsigned long long)data->bytes_alloc, + printf("%-28s|%8llu/%-6lu |%8llu/%-6lu|%6lu|%8.3f%%\n", + bf, (unsigned long long)data->bytes_alloc, (unsigned long)data->bytes_alloc / data->hit, (unsigned long long)data->bytes_req, (unsigned long)data->bytes_req / data->hit, -- 2.20.1