qemu/0118-migration-add-migrate_set_state-tracepoint.patch

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From 12a2075cf44c3234ba3efd7afb7a924ff39ba441 Mon Sep 17 00:00:00 2001
From: Kazuya Saito <saito.kazuya@jp.fujitsu.com>
Date: Fri, 22 Feb 2013 17:36:19 +0100
Subject: [PATCH] migration: add migrate_set_state tracepoint
Signed-off-by: Kazuya Saito <saito.kazuya@jp.fujitsu.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
(cherry picked from commit c09e5bb1d88ef38986bac7c6ed59dbd732cc4771)
---
migration.c | 9 ++++++++-
trace-events | 3 +++
2 files changed, 11 insertions(+), 1 deletion(-)
diff --git a/migration.c b/migration.c
index 57fceb6d..c0a9239 100644
--- a/migration.c
+++ b/migration.c
@@ -23,6 +23,7 @@
#include "migration/block.h"
#include "qemu/thread.h"
#include "qmp-commands.h"
+#include "trace.h"
//#define DEBUG_MIGRATION
@@ -282,6 +283,7 @@ void migrate_fd_error(MigrationState *s)
{
DPRINTF("setting error state\n");
s->state = MIG_STATE_ERROR;
+ trace_migrate_set_state(MIG_STATE_ERROR);
migrate_fd_cleanup(s);
}
@@ -289,6 +291,7 @@ static void migrate_fd_completed(MigrationState *s)
{
DPRINTF("setting completed state\n");
s->state = MIG_STATE_COMPLETED;
+ trace_migrate_set_state(MIG_STATE_COMPLETED);
migrate_fd_cleanup(s);
}
@@ -319,6 +322,7 @@ static void migrate_fd_cancel(MigrationState *s)
DPRINTF("cancelling migration\n");
s->state = MIG_STATE_CANCELLED;
+ trace_migrate_set_state(MIG_STATE_CANCELLED);
migrate_fd_cleanup(s);
}
@@ -377,8 +381,9 @@ static MigrationState *migrate_init(const MigrationParams *params)
s->bandwidth_limit = bandwidth_limit;
s->state = MIG_STATE_SETUP;
- s->total_time = qemu_get_clock_ms(rt_clock);
+ trace_migrate_set_state(MIG_STATE_SETUP);
+ s->total_time = qemu_get_clock_ms(rt_clock);
return s;
}
@@ -738,6 +743,8 @@ static const QEMUFileOps buffered_file_ops = {
void migrate_fd_connect(MigrationState *s)
{
s->state = MIG_STATE_ACTIVE;
+ trace_migrate_set_state(MIG_STATE_ACTIVE);
+
s->bytes_xfer = 0;
s->buffer = NULL;
s->buffer_size = 0;
diff --git a/trace-events b/trace-events
index 167f481..614c4ef 100644
--- a/trace-events
+++ b/trace-events
@@ -1091,3 +1091,6 @@ css_io_interrupt(int cssid, int ssid, int schid, uint32_t intparm, uint8_t isc,
# hw/s390x/virtio-ccw.c
virtio_ccw_interpret_ccw(int cssid, int ssid, int schid, int cmd_code) "VIRTIO-CCW: %x.%x.%04x: interpret command %x"
virtio_ccw_new_device(int cssid, int ssid, int schid, int devno, const char *devno_mode) "VIRTIO-CCW: add subchannel %x.%x.%04x, devno %04x (%s)"
+
+# migration.c
+migrate_set_state(int new_state) "new state %d"