1LIBTRACECMD(3)                 libtracefs Manual                LIBTRACECMD(3)
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NAME

6       tracecmd_set_loglevel - Set log level of the library
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SYNOPSIS

9       #include <trace-cmd.h>
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11       int tracecmd_set_loglevel(enum tep_loglevel level);
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DESCRIPTION

14       The tracecmd_set_loglevel() function sets the level of the library logs
15       that will be printed on the console. See libtraceevent(3) for detailed
16       desciription of the log levels. Setting the log level to specific value
17       means that logs from the previous levels will be printed too. For
18       example TEP_LOG_WARNING will print any logs with severity
19       TEP_LOG_WARNING, TEP_LOG_ERROR and TEP_LOG_CRITICAL. The default log
20       level is TEP_LOG_CRITICAL. When a new level is set, it is also
21       propagated to the libtracefs and libtraceevent.
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EXAMPLE

24           #include <trace-cmd.h>
25           ...
26           tracecmd_set_loglevel(TEP_LOG_ALL);
27           ...
28           /* call libtracecmd, libtracefs or libtraceevent APIs and observe any logs they produce */
29           ...
30           tracecmd_set_loglevel(TEP_LOG_CRITICAL);
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FILES

33           trace-cmd.h
34                   Header file to include in order to have access to the library APIs.
35           -ltracecmd
36                   Linker switch to add when building a program that uses the library.
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SEE ALSO

39       libtracefs(3), libtraceevent(3), trace-cmd(1) trace-cmd.dat(5)
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AUTHOR

42           Steven Rostedt <rostedt@goodmis.org[1]>
43           Tzvetomir Stoyanov <tz.stoyanov@gmail.com[2]>
44

REPORTING BUGS

46       Report bugs to <linux-trace-devel@vger.kernel.org[3]>
47

LICENSE

49       libtracecmd is Free Software licensed under the GNU LGPL 2.1
50

RESOURCES

52       https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git/
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COPYING

55       Copyright (C) 2021 VMware, Inc. Free use of this software is granted
56       under the terms of the GNU Public License (GPL).
57

NOTES

59        1. rostedt@goodmis.org
60           mailto:rostedt@goodmis.org
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62        2. tz.stoyanov@gmail.com
63           mailto:tz.stoyanov@gmail.com
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65        3. linux-trace-devel@vger.kernel.org
66           mailto:linux-trace-devel@vger.kernel.org
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70libtracefs                        04/15/2022                    LIBTRACECMD(3)
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