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perf machine: Simplify accessing the host machine

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It is always there, no sense in calling a function named
"perf_session__find_host_machine".

Also no sense in checking if that function return is NULL, so ditch
needless error handling.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-a6a3zx3afbrxo8p2zqm5mxo8@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2012-12-19 09:04:24 -03:00
parent 09ecbb07a5
commit 34ba5122bf
5 changed files with 5 additions and 21 deletions
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7
tools/perf/builtin-kmem.c
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@@ -340,7 +340,7 @@ static void __print_result(struct rb_root *root, struct perf_session *session,
int n_lines, int is_caller)
{
struct rb_node *next;
struct machine *machine;
struct machine *machine = &session->machines.host;
printf("%.102s\n", graph_dotted_line);
printf(" %-34s |", is_caller ? "Callsite": "Alloc Ptr");
@@ -349,11 +349,6 @@ static void __print_result(struct rb_root *root, struct perf_session *session,
next = rb_first(root);
machine = perf_session__find_host_machine(session);
if (!machine) {
pr_err("__print_result: couldn't find kernel information\n");
return;
}
while (next && n_lines--) {
struct alloc_stat *data = rb_entry(next, struct alloc_stat,
node);