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[PATCH v3 1/1] monitor/hmp: print trace as option in help for log comman
From: |
Dongli Zhang |
Subject: |
[PATCH v3 1/1] monitor/hmp: print trace as option in help for log command |
Date: |
Wed, 31 Aug 2022 14:39:43 -0700 |
The below is printed when printing help information in qemu-system-x86_64
command line, and when CONFIG_TRACE_LOG is enabled:
----------------------------
$ qemu-system-x86_64 -d help
... ...
trace:PATTERN enable trace events
Use "-d trace:help" to get a list of trace events.
----------------------------
However, the options of "trace:PATTERN" are only printed by
"qemu-system-x86_64 -d help", but missing in hmp "help log" command.
Fixes: c84ea00dc2 ("log: add "-d trace:PATTERN"")
Cc: Joe Jin <joe.jin@oracle.com>
Signed-off-by: Dongli Zhang <dongli.zhang@oracle.com>
---
Changed since v1:
- change format for "none" as well.
Changed since v2:
- use "log trace:help" in help message.
- add more clarification in commit message.
- add 'Fixes' tag.
---
monitor/hmp.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/monitor/hmp.c b/monitor/hmp.c
index 15ca04735c..a3375d0341 100644
--- a/monitor/hmp.c
+++ b/monitor/hmp.c
@@ -285,10 +285,15 @@ void help_cmd(Monitor *mon, const char *name)
if (!strcmp(name, "log")) {
const QEMULogItem *item;
monitor_printf(mon, "Log items (comma separated):\n");
- monitor_printf(mon, "%-10s %s\n", "none", "remove all logs");
+ monitor_printf(mon, "%-15s %s\n", "none", "remove all logs");
for (item = qemu_log_items; item->mask != 0; item++) {
- monitor_printf(mon, "%-10s %s\n", item->name, item->help);
+ monitor_printf(mon, "%-15s %s\n", item->name, item->help);
}
+#ifdef CONFIG_TRACE_LOG
+ monitor_printf(mon, "trace:PATTERN enable trace events\n");
+ monitor_printf(mon, "\nUse \"log trace:help\" to get a list of "
+ "trace events.\n\n");
+#endif
return;
}
--
2.17.1
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