87 lines
2.8 KiB
Plaintext
87 lines
2.8 KiB
Plaintext
libtracecmd(3)
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=============
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NAME
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----
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libtracecmd - trace-cmd library APIs
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SYNOPSIS
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--------
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[verse]
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--
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*#include <trace-cmd.h>*
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Open and close trace file:
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struct tracecmd_input pass:[*]*tracecmd_open*(const char pass:[*]_file_, int _flags_);
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struct tracecmd_input pass:[*]*tracecmd_open_fd*(int _fd_, int _flags_);
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struct tracecmd_input pass:[*]*tracecmd_open_head*(const char pass:[*]_file_, int _flags_);
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void *tracecmd_close*(struct tracecmd_input pass:[*]_handle_);
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Read tracing records from a trace file:
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int *tracecmd_init_data*(struct tracecmd_input pass:[*]_handle_);
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struct tep_record pass:[*]*tracecmd_read_cpu_first*(struct tracecmd_input pass:[*]_handle_, int _cpu_);
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struct tep_record pass:[*]*tracecmd_read_data*(struct tracecmd_input pass:[*]_handle_, int _cpu_);
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struct tep_record pass:[*]*tracecmd_read_at*(struct tracecmd_input pass:[*]_handle_, unsigned long long _offset_, int pass:[*]_cpu_);
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void *tracecmd_free_record*(struct tep_record pass:[*]_record_);
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struct tep_handle pass:[*]*tracecmd_get_tep*(struct tracecmd_input pass:[*]_handle_);
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Read tracing instances from a trace file:
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int *tracecmd_buffer_instances*(struct tracecmd_input pass:[*]_handle_);
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const char pass:[*]*tracecmd_buffer_instance_name*(struct tracecmd_input pass:[*]_handle_, int _indx_);
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struct tracecmd_input pass:[*]*tracecmd_buffer_instance_handle*(struct tracecmd_input pass:[*]_handle_, int _indx_);
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Get traceing peer information from a trace file:
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unsigned long long *tracecmd_get_traceid*(struct tracecmd_input pass:[*]_handle_);
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int *tracecmd_get_guest_cpumap*(struct tracecmd_input pass:[*]_handle_, unsigned long long _trace_id_, const char pass:[*]pass:[*]_name_, int pass:[*]_vcpu_count_, const int pass:[*]pass:[*]_cpu_pid_);
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Control library logs:
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int *tracecmd_set_loglevel*(enum tep_loglevel _level_);
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--
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DESCRIPTION
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-----------
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The libtracecmd(3) library provides APIs to read, parse and write
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_trace-cmd.dat(5)_ files, recorded with _trace-cmd(1)_ application and containing
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tracing information from ftrace, the official Linux kernel tracer.
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FILES
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-----
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[verse]
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--
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*trace-cmd.h*
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Header file to include in order to have access to the library APIs.
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*-ltracecmd*
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Linker switch to add when building a program that uses the library.
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--
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SEE ALSO
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--------
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_libtraceevent(3)_
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_libtracefs(3)_
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_trace-cmd(1)_
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_trace-cmd.dat(5)_
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AUTHOR
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------
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[verse]
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--
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*Steven Rostedt* <rostedt@goodmis.org>
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*Tzvetomir Stoyanov* <tz.stoyanov@gmail.com>
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--
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REPORTING BUGS
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--------------
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Report bugs to <linux-trace-devel@vger.kernel.org>
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LICENSE
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-------
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libtracecmd is Free Software licensed under the GNU LGPL 2.1
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RESOURCES
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---------
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https://git.kernel.org/pub/scm/utils/trace-cmd/trace-cmd.git/
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COPYING
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-------
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Copyright \(C) 2020 VMware, Inc. Free use of this software is granted under
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the terms of the GNU Public License (GPL).
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