From: "Tzvetomir Stoyanov (VMware)" <tz.stoyanov@gmail.com>
To: rostedt@goodmis.org
Cc: linux-trace-devel@vger.kernel.org
Subject: [PATCH v2 8/8] trace-cmd: Add new function to set log level
Date: Fri, 7 May 2021 12:53:33 +0300 [thread overview]
Message-ID: <20210507095333.1080910-9-tz.stoyanov@gmail.com> (raw)
In-Reply-To: <20210507095333.1080910-1-tz.stoyanov@gmail.com>
Introduce a new trace-cmd internal function to set the application log
level.
trace_set_verbose()
The log level can be set using string with log id or log name.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
---
tracecmd/include/trace-local.h | 2 ++
tracecmd/trace-cmd.c | 41 ++++++++++++++++++++++++++++++++++
2 files changed, 43 insertions(+)
diff --git a/tracecmd/include/trace-local.h b/tracecmd/include/trace-local.h
index b3997d00..8da07c83 100644
--- a/tracecmd/include/trace-local.h
+++ b/tracecmd/include/trace-local.h
@@ -39,6 +39,8 @@ void usage(char **argv);
extern int silence_warnings;
extern int show_status;
+int trace_set_verbose(char *level);
+
struct pid_record_data {
int pid;
int brass[2];
diff --git a/tracecmd/trace-cmd.c b/tracecmd/trace-cmd.c
index 60cd3ea1..4e4a73af 100644
--- a/tracecmd/trace-cmd.c
+++ b/tracecmd/trace-cmd.c
@@ -45,6 +45,47 @@ void *malloc_or_die(unsigned int size)
return data;
}
+static struct trace_log_severity {
+ int id;
+ const char *name;
+} log_severtity[] = {
+ { .id = TEP_LOG_NONE, .name = "none" },
+ { .id = TEP_LOG_CRITICAL, .name = "crit" },
+ { .id = TEP_LOG_ERROR, .name = "err" },
+ { .id = TEP_LOG_WARNING, .name = "warn" },
+ { .id = TEP_LOG_INFO, .name = "info" },
+ { .id = TEP_LOG_DEBUG, .name = "debug" },
+ { .id = TEP_LOG_ALL, .name = "all" },
+};
+
+int trace_set_verbose(char *level)
+{
+ int id;
+
+ if (!level)
+ return -1;
+
+ if (isdigit(level[0])) {
+ id = atoi(level);
+ if (id >= TEP_LOG_NONE && id <= TEP_LOG_ALL) {
+ tracecmd_set_loglevel(id);
+ return 0;
+ }
+ } else {
+ int size = sizeof(log_severtity) / sizeof(log_severtity[0]);
+ int i;
+
+ for (i = 0; i < size; i++) {
+ if (strlen(level) >= strlen(log_severtity[i].name) &&
+ !strncmp(level, log_severtity[i].name, strlen(log_severtity[i].name))) {
+ tracecmd_set_loglevel(log_severtity[i].id);
+ return 0;
+ }
+ }
+ }
+
+ return -1;
+}
/**
* struct command
--
2.31.1
next prev parent reply other threads:[~2021-05-07 9:53 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-07 9:53 [PATCH v2 0/8] Changes to trace-cmd logs Tzvetomir Stoyanov (VMware)
2021-05-07 9:53 ` [PATCH v2 1/8] trace-cmd library: Use tep_vprint() for logs Tzvetomir Stoyanov (VMware)
2021-05-07 9:53 ` [PATCH v2 2/8] trace-cmd library: Add tracecmd_info() log function Tzvetomir Stoyanov (VMware)
2021-05-13 21:22 ` Steven Rostedt
2021-05-07 9:53 ` [PATCH v2 3/8] trace-cmd library: Add log levels Tzvetomir Stoyanov (VMware)
2021-05-13 21:23 ` Steven Rostedt
2021-05-14 2:51 ` Tzvetomir Stoyanov
2021-05-14 3:19 ` Steven Rostedt
2021-05-07 9:53 ` [PATCH v2 4/8] trace-cmd library: Document the API for " Tzvetomir Stoyanov (VMware)
2021-05-07 9:53 ` [PATCH v2 5/8] trace-cmd library: Renamed tracecmd_fatal() to tracecmd_critical() Tzvetomir Stoyanov (VMware)
2021-05-07 9:53 ` [PATCH v2 6/8] trace-cmd library: Set debug log level in debug mode Tzvetomir Stoyanov (VMware)
2021-05-07 9:53 ` [PATCH v2 7/8] trace-cmd report: Set the log level with -V and -q options Tzvetomir Stoyanov (VMware)
2021-05-07 9:53 ` Tzvetomir Stoyanov (VMware) [this message]
2021-05-13 21:36 ` [PATCH v2 8/8] trace-cmd: Add new function to set log level Steven Rostedt
2021-05-14 2:53 ` Tzvetomir Stoyanov
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