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authorFam Zheng <famz@redhat.com>2013-11-20 10:01:54 +0800
committerKevin Wolf <kwolf@redhat.com>2013-11-29 13:40:37 +0100
commit4cc70e933731ebf4309e1f1ce90973a0de04f28f (patch)
tree254369a947f01aa34c7c5e1e766ded66919d7b4f /qemu-io-cmds.c
parent5b43dbb699599cdb9f75a624cb28d4f709ad2cdf (diff)
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blkdebug: add "remove_break" command
This adds "remove_break" command which is the reverse of blkdebug command "break": it removes all breakpoints with given tag and resumes all the requests. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'qemu-io-cmds.c')
-rw-r--r--qemu-io-cmds.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/qemu-io-cmds.c b/qemu-io-cmds.c
index 7e9fecb..85e4982 100644
--- a/qemu-io-cmds.c
+++ b/qemu-io-cmds.c
@@ -1956,6 +1956,18 @@ static int break_f(BlockDriverState *bs, int argc, char **argv)
return 0;
}
+static int remove_break_f(BlockDriverState *bs, int argc, char **argv)
+{
+ int ret;
+
+ ret = bdrv_debug_remove_breakpoint(bs, argv[1]);
+ if (ret < 0) {
+ printf("Could not remove breakpoint %s: %s\n", argv[1], strerror(-ret));
+ }
+
+ return 0;
+}
+
static const cmdinfo_t break_cmd = {
.name = "break",
.argmin = 2,
@@ -1966,6 +1978,15 @@ static const cmdinfo_t break_cmd = {
"request as tag",
};
+static const cmdinfo_t remove_break_cmd = {
+ .name = "remove_break",
+ .argmin = 1,
+ .argmax = 1,
+ .cfunc = remove_break_f,
+ .args = "tag",
+ .oneline = "remove a breakpoint by tag",
+};
+
static int resume_f(BlockDriverState *bs, int argc, char **argv)
{
int ret;
@@ -2126,6 +2147,7 @@ static void __attribute((constructor)) init_qemuio_commands(void)
qemuio_add_command(&alloc_cmd);
qemuio_add_command(&map_cmd);
qemuio_add_command(&break_cmd);
+ qemuio_add_command(&remove_break_cmd);
qemuio_add_command(&resume_cmd);
qemuio_add_command(&wait_break_cmd);
qemuio_add_command(&abort_cmd);