[RFC][PATCH 00/24] tools lib traceevent: Rename pevent to tep for preparation for library

From: Steven Rostedt
Date: Wed Aug 08 2018 - 12:13:11 EST


Having libtraceevent turn into a proper library has long been asked for.
I never had time to do it before. Luckily, Tzvetomir was able to spend
the time to start the preparation. The first thing that needs to be done
is to handle namespace collisions. "pevent" was the prefix I chose, but
many people were displeased by it, as it didn't express what the functions
were used for. After discussing with many people at many conferences
I've come up with "tep", which means "Trace Event Parser". Please don't
question this. The bikeshed has been painted and I'm not changing the
color.

This series changes all the function names and data structures from the
"pevent_" prefix to the "tep_" prefix. Note, it does not change the
names of local variables or even parameters. "pevent" variables and
parameters still exist. We can change those later, but for now, I want
all global references to "pevent" to be "tep_" instead.

This is not complete. It is only one of many preparations to make
libtraceevent into a legitimate library. There's other naming conventions
that will be made. But for now, I would like to hear thoughts about
this change before we proceed further.

Instead of doing one big update, Tzvetomir grouped changes together.
I compiled each patch to make sure perf still builds without errors
at each step. I only used my own configuration, thus there may be
cases that perf might fail to build. Here's what I had:

Auto-detecting system features:
... dwarf: [ on ]
... dwarf_getlocations: [ on ]
... glibc: [ on ]
... gtk2: [ on ]
... libaudit: [ OFF ]
... libbfd: [ on ]
... libelf: [ on ]
... libnuma: [ OFF ]
... numa_num_possible_cpus: [ OFF ]
... libperl: [ OFF ]
... libpython: [ on ]
... libslang: [ OFF ]
... libcrypto: [ on ]
... libunwind: [ OFF ]
... libdw-dwarf-unwind: [ on ]
... zlib: [ on ]
... lzma: [ on ]
... get_cpuid: [ on ]
... bpf: [ on ]

The above is the config I used for testing the build.

-- Steve

Tzvetomir Stoyanov (VMware) (24):
tools/lib/traceevent, tools/perf: Rename struct pevent to struct tep_handle
tools/lib/traceevent, tools/perf: Rename struct pevent_record to struct tep_record
tools/lib/traceevent, tools/perf: Rename pevent plugin related APIs
tools/lib/traceevent, tools/perf: Rename pevent alloc / free APIs
tools/lib/traceevent, tools/perf: Rename pevent find APIs
tools/lib/traceevent, tools/perf: Rename pevent parse APIs
tools/lib/traceevent, tools/perf: Rename pevent print APIs
tools/lib/traceevent, tools/perf: Rename pevent_read_number_* APIs
tools/lib/traceevent, tools/perf: Rename pevent_register_* APIs
tools/lib/traceevent, tools/perf: Rename pevent_set_* APIs
tools/lib/traceevent, tools/perf: Rename traceevent_* APIs
tools/lib/traceevent, tools/perf: Rename enum pevent_flag to enum tep_flag
tools/lib/traceevent, tools/lib/lockdep/: Rename enunm pevent_errno to enum tep_errno
tools/lib/traceevent: Rename pevent_function* APIs
tools/lib/traceevent, tools/perf: Rename traceevent_* APIs
tools/lib/traceevent: Rename pevent_filter* APIs
tools/lib/traceevent: Rename pevent_register / unregister APIs
tools/lib/traceevent: Rename pevent_data_ APIs
tools/lib/traceevent: Rename pevent field APIs
tools/lib/traceevent: Rename pevent_find_* APIs
tools/lib/traceevent: Rename various pevent get/set/is APIs
tools/lib/traceevent: Rename internal parser related APIs
tools/lib/traceevent: Rename various pevent APIs
tools/lib/traceevent: Rename static variables and functions in event-parse.c

----
tools/lib/lockdep/Makefile | 4 +-
tools/lib/traceevent/Makefile | 4 +-
tools/lib/traceevent/event-parse.c | 696 ++++++++++-----------
tools/lib/traceevent/event-parse.h | 458 +++++++-------
tools/lib/traceevent/event-plugin.c | 70 +--
tools/lib/traceevent/parse-filter.c | 288 ++++-----
tools/lib/traceevent/plugin_cfg80211.c | 20 +-
tools/lib/traceevent/plugin_function.c | 34 +-
tools/lib/traceevent/plugin_hrtimer.c | 56 +-
tools/lib/traceevent/plugin_jbd2.c | 36 +-
tools/lib/traceevent/plugin_kmem.c | 66 +-
tools/lib/traceevent/plugin_kvm.c | 154 ++---
tools/lib/traceevent/plugin_mac80211.c | 28 +-
tools/lib/traceevent/plugin_sched_switch.c | 60 +-
tools/lib/traceevent/plugin_scsi.c | 24 +-
tools/lib/traceevent/plugin_xen.c | 20 +-
tools/perf/builtin-kmem.c | 6 +-
tools/perf/builtin-report.c | 6 +-
tools/perf/builtin-script.c | 6 +-
tools/perf/util/data-convert-bt.c | 6 +-
tools/perf/util/evsel.c | 2 +-
tools/perf/util/header.c | 6 +-
tools/perf/util/machine.h | 2 +-
tools/perf/util/python.c | 10 +-
.../perf/util/scripting-engines/trace-event-perl.c | 2 +-
.../util/scripting-engines/trace-event-python.c | 6 +-
tools/perf/util/sort.c | 16 +-
tools/perf/util/sort.h | 2 +-
tools/perf/util/trace-event-parse.c | 34 +-
tools/perf/util/trace-event-read.c | 44 +-
tools/perf/util/trace-event-scripting.c | 4 +-
tools/perf/util/trace-event.c | 28 +-
tools/perf/util/trace-event.h | 20 +-
33 files changed, 1109 insertions(+), 1109 deletions(-)