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perf callchains: Store the map together with the symbol

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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>
This commit is contained in:
Arnaldo Carvalho de Melo
2010-03-24 16:40:18 -03:00
committed by Ingo Molnar
parent 59fd53062f
commit b3c9ac0846
7 changed files with 36 additions and 35 deletions
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21
tools/perf/util/callchain.c
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@@ -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;