idlestat: many IRQs may share the same number

This is especially true for IPIs.  Without this fix, all IPIs are
recorded under the first one to be seen per CPU.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
Reviewed-by: Tuukka Tikkanen <tuukka.tikkanen@linaro.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/idlestat.c b/idlestat.c
index e55f69e..ab561c1 100644
--- a/idlestat.c
+++ b/idlestat.c
@@ -854,14 +854,15 @@ static int store_data(double time, int state, int cpu,
 	return ret;
 }
 
-static struct wakeup_irq *find_irqinfo(struct wakeup_info *wakeinfo, int irqid)
+static struct wakeup_irq *find_irqinfo(struct wakeup_info *wakeinfo, int irqid,
+				       const char *irqname)
 {
 	struct wakeup_irq *irqinfo;
 	int i;
 
 	for (i = 0; i < wakeinfo->nrdata; i++) {
 		irqinfo = &wakeinfo->irqinfo[i];
-		if (irqinfo->id == irqid)
+		if (irqinfo->id == irqid && !strcmp(irqinfo->name, irqname))
 			return irqinfo;
 	}
 
@@ -878,7 +879,7 @@ static int store_irq(int cpu, int irqid, char *irqname,
 	if (cstates->wakeirq != NULL)
 		return 0;
 
-	irqinfo = find_irqinfo(wakeinfo, irqid);
+	irqinfo = find_irqinfo(wakeinfo, irqid, irqname);
 	if (NULL == irqinfo) {
 		irqinfo = realloc(wakeinfo->irqinfo,
 				sizeof(*irqinfo) * (wakeinfo->nrdata + 1));