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- 13 Aug, 2018 22 commits
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_reset_function_resolver, pevent_strerror, pevent_list_events, pevent_event_common_fields, pevent_event_fields, pevent_ref, pevent_unref Signed-off-by:
Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Yordan Karadzhov (VMware) <y.karadz@gmail.com> Cc: linux-trace-devel@vger.kernel.org Link: http://lkml.kernel.org/r/20180808180703.426198047@goodmis.orgSigned-off-by:
Steven Rostedt <rostedt@goodmis.org> Signed-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com>
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_buffer_init, pevent_read_token, pevent_free_token, pevent_peek_char, pevent_get_input_buf, pevent_get_input_buf_ptr Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_pid_is_registered, pevent_get_cpus, pevent_set_cpus, pevent_is_file_bigendian, pevent_is_host_bigendian, pevent_is_latency_format, pevent_set_latency_format Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_find_function, pevent_find_function_address, pevent_find_event_by_name, pevent_find_event_by_record Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_free_format, pevent_free_format_field, pevent_get_field_raw, pevent_get_field_val, pevent_get_common_field_val, pevent_get_any_field_val Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_data_lat_fmt, pevent_data_type, pevent_data_event_from_type, pevent_data_pid, pevent_data_preempt_count, pevent_data_flags, pevent_data_comm_from_pid, pevent_data_pid_from_comm, pevent_cmdline_pid Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_register_print_function, pevent_unregister_print_function, pevent_register_event_handler, pevent_unregister_event_handler, pevent_register_function, pevent_register_trace_clock Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: PEVENT_FILTER_ERROR_BUFSZ, pevent_filter_alloc, pevent_filter_add_filter_str, pevent_filter_match, pevent_filter_strerror, pevent_event_filtered, pevent_filter_reset, pevent_filter_clear_trivial, pevent_filter_free, pevent_filter_make_string, pevent_filter_remove_event, pevent_filter_event_has_trivial, pevent_filter_copy, pevent_update_trivial, pevent_filter_compare Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "traceevent_". This changes APIs: traceevent_plugin_list_options, traceevent_plugin_free_options_list, traceevent_plugin_add_options, traceevent_plugin_remove_options, traceevent_print_plugins Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_function_handler, pevent_func_handler, pevent_func_arg_type, PEVENT_FUNC_ARG_VOID, PEVENT_FUNC_ARG_INT, PEVENT_FUNC_ARG_LONG, PEVENT_FUNC_ARG_STRING, PEVENT_FUNC_ARG_PTRS, PEVENT_FUNC_ARG_MAX_TYPES Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes 'enum pevent_errno' to 'enum tep_errno'. Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes pevent_get_page_size API and enum pevent_flag to enum tep_flag Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "traceevent_". This changes APIs: traceevent_host_bigendian, traceevent_load_plugins and traceevent_unload_plugins Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_set_file_bigendian, pevent_set_flag, pevent_set_function_resolver, pevent_set_host_bigendian, pevent_set_long_size, pevent_set_page_size and pevent_get_long_size Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_register_comm, pevent_register_print_string Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_read_number, pevent_read_number_field Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_print_field, pevent_print_fields, pevent_print_funcs, pevent_print_printk Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_parse_event, pevent_parse_format, pevent_parse_header_page Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_find_any_field, pevent_find_common_field, pevent_find_event, pevent_find_field Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes APIs: pevent_alloc, pevent_free, pevent_event_info and pevent_func_resolver_t Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes the pevent plugin related API. Signed-off-by:
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes the 'struct pevent_record' to 'struct tep_record'. Signed-off-by:
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- 10 Aug, 2018 1 commit
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Tzvetomir Stoyanov (VMware) authored
In order to make libtraceevent into a proper library, variables, data structures and functions require a unique prefix to prevent name space conflicts. That prefix will be "tep_" and not "pevent_". This changes the struct pevent to struct tep_handle. Signed-off-by:
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- 10 Mar, 2017 1 commit
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Masahiro Yamada authored
Fix typos and add the following to the scripts/spelling.txt: overide||override While we are here, fix the doubled "address" in the touched line Documentation/devicetree/bindings/regulator/ti-abb-regulator.txt. Also, fix the comment block style in the touched hunks in drivers/media/dvb-frontends/drx39xyj/drx_driver.h. Link: http://lkml.kernel.org/r/1481573103-11329-21-git-send-email-yamada.masahiro@socionext.comSigned-off-by:
Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 17 Feb, 2017 1 commit
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Steven Rostedt (VMware) authored
Fix the typo of the function name pevent_data_prempt_count() Signed-off-by:
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- 25 Jan, 2017 1 commit
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Daniel Borkmann authored
Add support for the __print_hex_str() macro that was added for tracing, so that user space tools such as perf can understand it as well. Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 23 Nov, 2016 2 commits
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Steven Rostedt authored
Add a way to retrieve the preempt count as well as the latency flags from a pevent_record. int pevent_data_preempt_count(pevent, record); returns the preempt count of a record. int pevent_data_flags(pevent, record); returns the latency flags for a record. Signed-off-by:
Namhyung Kim <namhyung@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Jiri Olsa <jolsa@redhat.com> Link: http://lkml.kernel.org/r/20161122113158.03a010a8@gandalf.local.homeSigned-off-by:
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Steven Rostedt authored
Instead of using 1000000, use the define in time64.h instead. Also remove the the duplicate defines for NSECS_PER_SEC. Signed-off-by:
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- 29 Feb, 2016 1 commit
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Steven Rostedt authored
Currently there's a single function that is used to display a record's data in human readable format. That's pevent_print_event(). Unfortunately, this gives little room for adding other output within the line without updating that function call. I've decided to split that function into 3 parts. pevent_print_event_task() which prints the task comm, pid and the CPU pevent_print_event_time() which outputs the record's timestamp pevent_print_event_data() which outputs the rest of the event data. pevent_print_event() now simply calls these three functions. To save time from doing the search for event from the record's type, I created a new helper function called pevent_find_event_by_record(), which returns the record's event, and this event has to be passed to the above functions. Signed-off-by:
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- 06 Jan, 2016 1 commit
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Namhyung Kim authored
The print_event_field() and print_event_fields() functions print basic information of a given field or event without the print format. They'll be used by dynamic sort keys later. Committer note: Rename it to pevent_print_field[s]() to get proper namespacing, as discussed with Steven Rostedt. Signed-off-by:
Jiri Olsa <jolsa@kernel.org> Acked-by:
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- 02 Sep, 2015 1 commit
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He Kuang authored
Support helper function __get_dynamic_array_len() in libtraceevent, this function is used accompany with __print_array() or __print_hex(), but currently it is not an available function in the function list of process_function(). The total allocated length of the dynamic array is embedded in the top half of __data_loc_##item field. This patch adds new arg type PRINT_DYNAMIC_ARRAY_LEN to return the length to eval_num_arg(), Signed-off-by:
He Kuang <hekuang@huawei.com> Acked-by:
Wang Nan <wangnan0@huawei.com> Signed-off-by:
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- 24 Jul, 2015 1 commit
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Arnaldo Carvalho de Melo authored
The perf tools have a symbol resolver that includes solving kernel symbols using either kallsyms or ELF symtabs, and it also is using libtraceevent to format the trace events fields, including via subsystem specific plugins, like the "timer" one. To solve fields like "timer:hrtimer_start"'s "function", libtraceevent needs a way to map from its value to a function name and addr. This patch provides a way for tools that already have symbol resolving facilities to ask libtraceevent to use it when needing to resolve kernel symbols. Reviewed-by:
David Ahern <dsahern@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-fdx1fazols17w5py26ia3bwh@git.kernel.orgSigned-off-by:
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- 29 Apr, 2015 1 commit
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Jiri Olsa authored
Introduce an 'alias' field to 'struct format_field' to be able to use alternative name for the field. It is initialized with same string pointer as 'name' field. The free logic checks the 'alias' pointer being reset by user and frees it. This will be handy when converting data into CTF, where each field within event needs to have a unique name (while this is not required for tracepoint). Converter can easily assign unique name into the format_field struct. Suggested-by:
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- 24 Mar, 2015 4 commits
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Javi Merino authored
Since 6ea22486 ("tracing: Add array printing helper") trace can generate traces with variable element size arrays. Add support to parse them. Signed-off-by:
Javi Merino <javi.merino@arm.com> Acked-by:
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Steven Rostedt authored
When a plugin option is defined, by default it is a boolean (true or false). If the option is something else, then it needs to set its "value" field to a default string other than NULL (can be just ""). If the value is not set then the option is considered boolean, and the updating of the option value will be handled accordingly. Signed-off-by:
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Steven Rostedt (Red Hat) authored
There is a pevent_data_comm_from_pid() that returns the cmdline stored for a given pid in order for users to map pids to comms, but there's no method to convert a comm back to a pid. This is useful for filters that specify a comm instead of a PID (it's faster than searching each individual event). Add a way to retrieve a comm from a pid. Since there can be more than one pid associated to a comm, it returns a data structure that lets the user iterate over all the saved comms for a given pid. Signed-off-by:
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Steven Rostedt (Red Hat) authored
The pevent->trace_clock should not be a direct pointer to what was given. It should be copied and freed. Note, valgrind pointed this out when a caller passed in a pointer that needed to be freed and it never was. Ideally, pevent should copy it (which this change does), and free the copy. It's up to the caller to free the clock string passed in. Signed-off-by:
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- 21 Mar, 2015 1 commit
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David Ahern authored
Move the calls that frees the resources allocated for a struct format_field to a separate routine. Signed-off-by:
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- 06 Feb, 2015 1 commit
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Arnaldo Carvalho de Melo authored
So that we can specify a FILE object where to direct the formatted output. Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: David Ahern <dsahern@gmail.com> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Mike Galbraith <efault@gmx.de> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/n/tip-a49bhdrx8851f04hppn8bqxq@git.kernel.orgSigned-off-by:
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- 07 Jun, 2014 1 commit
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Steven Rostedt (Red Hat) authored
Coming in v3.16, trace events will be able to save bitmasks in raw format in the ring buffer and output it with the __get_bitmask() macro. In order for userspace tools to parse this, it must be able to handle the __get_bitmask() call and be able to convert the data that's in the ring buffer into a nice bitmask format. The output is similar to what the kernel uses to print bitmasks, with a comma separator every 4 bytes (8 characters). This allows for cpumasks to also be saved efficiently. The first user is the thermal:thermal_power_limit event which has the following output: thermal_power_limit: cpus=0000000f freq=1900000 cdev_state=0 power=5252 Link: http://lkml.kernel.org/r/20140506132238.22e136d1@gandalf.local.homeSuggested-by:
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