diff options
| author | Arnaldo Carvalho de Melo | 2010-03-24 20:40:18 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2010-03-26 08:52:57 +0100 |
| commit | b3c9ac0846c654dea4df095999ee202e8b4cb253 (patch) | |
| tree | 4845ae36123beba5bc9959be7c67cc0ce4bc5a11 /tools/perf/util/callchain.c | |
| parent | perf tools: Introduce struct map_symbol (diff) | |
| download | kernel-qcow2-linux-b3c9ac0846c654dea4df095999ee202e8b4cb253.tar.gz kernel-qcow2-linux-b3c9ac0846c654dea4df095999ee202e8b4cb253.tar.xz kernel-qcow2-linux-b3c9ac0846c654dea4df095999ee202e8b4cb253.zip | |
perf callchains: Store the map together with the symbol
We need this to know where a symbol in a callchain came from,
for various reasons, among them precise annotation from a
TUI/GUI tool.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1269459619-982-5-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools/perf/util/callchain.c')
| -rw-r--r-- | tools/perf/util/callchain.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index 883844eb4b0a..db628af6d20d 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -185,8 +185,8 @@ create_child(struct callchain_node *parent, bool inherit_children) struct resolved_ip { - u64 ip; - struct symbol *sym; + u64 ip; + struct map_symbol ms; }; struct resolved_chain { @@ -212,7 +212,7 @@ fill_node(struct callchain_node *node, struct resolved_chain *chain, int start) return; } call->ip = chain->ips[i].ip; - call->sym = chain->ips[i].sym; + call->ms = chain->ips[i].ms; list_add_tail(&call->list, &node->val); } node->val_nr = chain->nr - start; @@ -318,10 +318,10 @@ __append_chain(struct callchain_node *root, struct resolved_chain *chain, if (i == chain->nr) break; - sym = chain->ips[i].sym; + sym = chain->ips[i].ms.sym; - if (cnode->sym && sym) { - if (cnode->sym->start != sym->start) + if (cnode->ms.sym && sym) { + if (cnode->ms.sym->start != sym->start) break; } else if (cnode->ip != chain->ips[i].ip) break; @@ -353,9 +353,8 @@ __append_chain(struct callchain_node *root, struct resolved_chain *chain, return 0; } -static void -filter_context(struct ip_callchain *old, struct resolved_chain *new, - struct symbol **syms) +static void filter_context(struct ip_callchain *old, struct resolved_chain *new, + struct map_symbol *syms) { int i, j = 0; @@ -364,7 +363,7 @@ filter_context(struct ip_callchain *old, struct resolved_chain *new, continue; new->ips[j].ip = old->ips[i]; - new->ips[j].sym = syms[i]; + new->ips[j].ms = syms[i]; j++; } @@ -373,7 +372,7 @@ filter_context(struct ip_callchain *old, struct resolved_chain *new, int append_chain(struct callchain_node *root, struct ip_callchain *chain, - struct symbol **syms) + struct map_symbol *syms) { struct resolved_chain *filtered; |