add ipi irq wakeup source.lcu13-2

There are not only hard irq, but also ipi irq waking
up cpu when cpu entered idle state.
so we must add ipi irq info into wakeup source irq also.

cpuX : enter idle
cpuX : irq_handler_entry | ipi_handler_entry  (count first irq)
cpuX : exit idle

Signed-off-by: shaojie.sun <shaojie.sun@linaro.org>

2 files changed, 10 insertions, 0 deletions

diff --git a/idlestat.c b/idlestat.c
index 24f90f9..f38f0e9 100644
--- a/idlestat.c
+++ b/idlestat.c
@@ -20,6 +20,7 @@
 
 static char irq_type_name[][8] = {
 			"irq",
+			"ipi",
 		};
 
 static char buffer[BUFSIZE];
@@ -320,6 +321,7 @@ static int store_irq(int cpu, int irqid, char *irqname,
 }
 
 #define TRACE_IRQ_FORMAT "%*[^[][%d] %*[^=]=%d%*[^=]=%16s"
+#define TRACE_IPIIRQ_FORMAT "%*[^[][%d] %*[^=]=%d%*[^=]=%16s"
 
 #define TRACE_CMD_FORMAT "%*[^]]] %lf:%*[^=]=%u%*[^=]=%d"
 #define TRACE_FORMAT "%*[^]]] %*s %lf:%*[^=]=%u%*[^=]=%d"
@@ -336,6 +338,13 @@ static int get_wakeup_irq(struct cpuidle_datas *datas, char *buffer, int count)
 		return 0;
 	}
 
+	if (strstr(buffer, "ipi_handler_entry")) {
+		sscanf(buffer, TRACE_IPIIRQ_FORMAT, &cpu, &irqid, irqname);
+
+		store_irq(cpu, irqid, irqname, datas, count, IPI_IRQ);
+		return 0;
+	}
+
 	return -1;
 }
 
diff --git a/idlestat.h b/idlestat.h
index 40d5d61..f753dc0 100644
--- a/idlestat.h
+++ b/idlestat.h
@@ -28,6 +28,7 @@ struct cpuidle_cstate {
 
 enum IRQ_TYPE {
 	HARD_IRQ = 0,
+	IPI_IRQ,
 	IRQ_TYPE_MAX
 };