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NEWS
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uftrace v0.9.1
--------------
* filter update
add --caller-filter option
* script changes
rename context in uftrace_begin: "args" -> "cmds"
rename context in uftrace_begin: "recording" -> "record"
* other changes
add --watch option to trace cpu task is running
add --graphviz option to produce output in DOT format
filter 'do_syscall_64' kernel function by default
And many bug fixes and improvements. Thanks for all contributors:
Ahn Seung-rye, Claudia J. Kang, Daniel T. Lee, GwanYeong Kim,
Hanbum Park, Honggyu Kim, Leah Neukirchen, Rikard Falkeborn
uftrace v0.9
============
* argument update
automatic argument using DWARF debug info
display enum constants properly
add -a short option for --auto-args
* TUI implementation
graph, report and info commands using ncurses
redraw graph for a selected function
fold/unfold and search nodes in graph
* build changes
configure script shows status of dependencies
add --without-XXX option to the configure script
allow build without libelf
* filter changes
add --match option to select pattern matching method: regex or glob
add --no-event option to disable default events
apply recover trigger for every function automatically
* other changes
pass runtime info to script
add -h short option for help message
add --no-randomize-addr option to disable ASLR
enable task scheduling events by default
use gray color for comments and green for events
add basic gdb (python) script to help debugging
add misc/symbols tool to show symbol name from address
And many bug fixes and improvements. Thanks for all contributors:
GwanYeong Kim, Hanbum Park, Honggyu Kim, Taeguk Kwon, Taeung Song,
Khem Raj
uftrace v0.8.3
--------------
* i386 arch support (by Hanbum Park):
support arguments and dynamic tracing
* graph update (by Honggyu Kim):
add -f/--output-fields option to control output
share common code/behavior with replay command
* event update:
add task events (fork/comm/exit) using Linux perf subsystem
enable task events always if supported
* trigger change:
change 'read' trigger action to read events twice (at entry and exit)
support some pmu-related events using read trigger (with perf syscall)
allow 'd' format specifier for default behavior with different size
* other changes:
add misc/demangler to test demangling easily
add --libname option to show library names for PLT functions
And many bug fixes and improvements. Thanks for all contributors:
Hanbum Park, Honggyu Kim, Taeung Song
uftrace v0.8.2
--------------
* trigger update
add 'p' format for function pointer
add --auto-args option for automatic argument/return value
support enum type for auto-args
* diff change
add 'compact' policy and make it default
old behavior is supported on 'full' policy
* graph change
show full graph when no function given
support fork+exec properly
* script change
flush stdout buffer before fork
serialize execution using a mutex
And many bug fixes and improvements. Thanks for all contributors:
Andrew Slough, Hansuk Hong, Hanbum Park, Honggyu Kim, JangSoJin,
Myungjin Ko, MyungSik Ji, Sangwon Hong, Taeung Song,
Vincent LE GARREC, Yujeong Kim
uftrace v0.8.1
--------------
* trigger update
apply filter/trigger to all libraries by default
save symbol tables of all libraries
-T/--trigger option supports filtering and argument/return value
* other changes
make --nest-libcall option imply --force option
add --record option to script command
replay show 's' suffix for std::string arguments
allow reading data in current directory
And many bug fixes and improvements. Thanks for all contributors:
Honggyu Kim, Taeung Song
uftrace v0.8
============
* event tracing support:
enable tracing events as well as functions. following events are
supported using -E/--event option
- SystemTap SDT (x86_64 only)
- kernel tracepoint
- scheduler (using perf syscall)
list available events using --list-event option
new read trigger also creates 'proc/statm' and 'page-fault' events
* libcall tracing update:
fix to trace already resolved functions too
trace nested calls from other libraries using --nest-libcall option
handle BIND-NOW + PIE properly
* python scripting support:
add new 'script' command with -S/--script option
also support record-time scripting
support additional filter for script execution
allow to specify options for recording
* report diff change:
sort by (absolute) diff
add --diff-policy option to control behavior
add 'func' sort key
change color setting
* other changes:
std::string argument display
add elapsed time info
"uftrace recv --run-cmd" can execute user-given command
add "finish" trigger action to tracing
add --opt-file option to allow reading options from file
add --keep-pid option to preserve pid when running program
And many bug fixes and improvements. Thanks for all contributors:
Changhyeok Bae, Honggyu Kim, JeongBong Seo, SeongJae Park,
Taeung Song, Paul Cannon
uftrace v0.7
============
* dynamic tracing support (x86_64 only)
enable tracing for selected functions with -P option
it needs some compiler support though
- gcc with -mnop-mcount option
- clang (X-ray) with -fxray-instrument option
* AArch64 support
add preliminary support for ARM v8 (64-bit)
first integer argument is missing
* kernel tracing change
show recorded kernel functions by default
partial support for event tracing
fix to send/receive kernel data via network
filter out sys_clock_gettime() for non-VDSO systems
* dump change:
show arguments and return values properly
show more kernel tracing info
fix file offset printing
* build change:
fix various problems on GCC 7
update configure script for better distro packaging
And many bug fixes and improvements. Thanks for all contributors:
Dridi Boukelmoune, Honggyu Kim, Taeung Song, Wonseok Ko
uftrace v0.6.2
--------------
* dlopen() support:
can show functions from dynamic loaded library using dlopen()
* kernel tracing update:
save kernel metadata so that it can be viewed from a different machine
adjust tracer settings to reduce lost kernel data
* filter change:
remove '+' sign in elapsed time for --time-range option
allow to use 'm' or 'min' to specify elapsed time
And many bug fixes and improvements. Thanks for all contributors:
Abder Benbachir, Geneviève Bastien, Honggyu Kim, Taeung Song,
Wonseok Ko
uftrace v0.6.1
--------------
* kernel option change:
The -K option is same as --kernel-depth
The --kernel-skip-out is deprecated and use
The --kernel-full is to show kernel functions outside of user functions
The --kernel-only option was added
* replay change:
add --output-fields option to customize the info on the left side
currently time, delta, elapsed, duration, tid and addr fields are supported
* filter change:
apply time filter on replay
add --time-range option to limit data analysis
report, graph and dump honors same filter on replay
add 'time' trigger to set a different threshold on specific functions
* flame-graph support:
"uftrace dump --flame-graph" creates a SVG file
use --sample-time option to control sampling frequency in the output
* build change:
improve build process to facilitate distro packaging
configure script checks dependency and shows warning
uftrace v0.6
============
* project open!