[PATCH 73/74] perf tools: Allow passing a list to intlist__new

From: Arnaldo Carvalho de Melo
Date: Thu Jan 24 2013 - 15:14:21 EST


From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

Just like strlist allows passing a list of entries to parse.

Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-em50vqvvmlnc6k9tw4xtixus@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/builtin-top.c | 2 +-
tools/perf/util/intlist.c | 27 ++++++++++++++++++++++++++-
tools/perf/util/intlist.h | 2 +-
3 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index e05ba81..7978c81 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -694,7 +694,7 @@ static void perf_event__process_sample(struct perf_tool *tool,
static struct intlist *seen;

if (!seen)
- seen = intlist__new();
+ seen = intlist__new(NULL);

if (!intlist__has_entry(seen, event->ip.pid)) {
pr_err("Can't find guest [%d]'s kernel information\n",
diff --git a/tools/perf/util/intlist.c b/tools/perf/util/intlist.c
index cbf0c32..11a8d86 100644
--- a/tools/perf/util/intlist.c
+++ b/tools/perf/util/intlist.c
@@ -73,7 +73,26 @@ struct int_node *intlist__find(struct intlist *ilist, int i)
return node;
}

-struct intlist *intlist__new(void)
+static int intlist__parse_list(struct intlist *ilist, const char *s)
+{
+ char *sep;
+ int err;
+
+ do {
+ long value = strtol(s, &sep, 10);
+ err = -EINVAL;
+ if (*sep != ',' && *sep != '\0')
+ break;
+ err = intlist__add(ilist, value);
+ if (err)
+ break;
+ s = sep + 1;
+ } while (*sep != '\0');
+
+ return err;
+}
+
+struct intlist *intlist__new(const char *slist)
{
struct intlist *ilist = malloc(sizeof(*ilist));

@@ -82,9 +101,15 @@ struct intlist *intlist__new(void)
ilist->rblist.node_cmp = intlist__node_cmp;
ilist->rblist.node_new = intlist__node_new;
ilist->rblist.node_delete = intlist__node_delete;
+
+ if (slist && intlist__parse_list(ilist, slist))
+ goto out_delete;
}

return ilist;
+out_delete:
+ intlist__delete(ilist);
+ return NULL;
}

void intlist__delete(struct intlist *ilist)
diff --git a/tools/perf/util/intlist.h b/tools/perf/util/intlist.h
index 6d63ab9..62351da 100644
--- a/tools/perf/util/intlist.h
+++ b/tools/perf/util/intlist.h
@@ -15,7 +15,7 @@ struct intlist {
struct rblist rblist;
};

-struct intlist *intlist__new(void);
+struct intlist *intlist__new(const char *slist);
void intlist__delete(struct intlist *ilist);

void intlist__remove(struct intlist *ilist, struct int_node *in);
--
1.8.1.1.361.gec3ae6e

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