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trace-events: Add hmp completion

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Add completion for the trace event names in the hmp trace-event
command.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Message-id: 1439548063-18410-1-git-send-email-dgilbert@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2015-08-14 11:27:43 +01:00 committed by Stefan Hajnoczi
parent 561578c2a8
commit 987bd27000
3 changed files with 22 additions and 0 deletions
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1
hmp-commands.hx
View File

@ -271,6 +271,7 @@ ETEXI
.params = "name on|off",
.help = "changes status of a specific trace event",
.mhandler.cmd = hmp_trace_event,
.command_completion = trace_event_completion,
},
STEXI

1
hmp.h
View File

@ -113,6 +113,7 @@ void set_link_completion(ReadLineState *rs, int nb_args, const char *str);
void netdev_add_completion(ReadLineState *rs, int nb_args, const char *str);
void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str);
void ringbuf_write_completion(ReadLineState *rs, int nb_args, const char *str);
void trace_event_completion(ReadLineState *rs, int nb_args, const char *str);
void watchdog_action_completion(ReadLineState *rs, int nb_args,
const char *str);
void migrate_set_capability_completion(ReadLineState *rs, int nb_args,

20
monitor.c
View File

@ -4429,6 +4429,26 @@ void netdev_del_completion(ReadLineState *rs, int nb_args, const char *str)
}
}
void trace_event_completion(ReadLineState *rs, int nb_args, const char *str)
{
size_t len;
len = strlen(str);
readline_set_completion_index(rs, len);
if (nb_args == 2) {
TraceEventID id;
for (id = 0; id < trace_event_count(); id++) {
const char *event_name = trace_event_get_name(trace_event_id(id));
if (!strncmp(str, event_name, len)) {
readline_add_completion(rs, event_name);
}
}
} else if (nb_args == 3) {
add_completion_option(rs, str, "on");
add_completion_option(rs, str, "off");
}
}
void watchdog_action_completion(ReadLineState *rs, int nb_args, const char *str)
{
int i;