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2018-03-20Replace the linear search in find_pc_sect_line with a binary search.Stephen Roberts3-0/+195
This patch addresses slowness when setting breakpoints, especially in heavily templatized code. Profiling showed that find_pc_sect_line in symtab.c was the performance bottleneck. The original logic performed a linear search over ordered data. This patch uses a binary search, as suggested by comments around the function. There are no behavioural changes, but gdb is now faster at setting breakpoints in template code. Tested using on make check on an x86 target. The optimisation speeds up the included template-breakpoints.py performance test by a factor of 7 on my machine. ChangeLog: 2018-03-20 Stephen Roberts <stephen.roberts@arm.com> * gdb/symtab.c (find_pc_sect_line): now uses binary search. gdb/testsuite/ * gdb.perf/template-breakpoints.cc: New file. * gdb.perf/template-breakpoints.exp: New file. * gdb.perf/template-breakpoints.py: New file.
2018-01-02Update copyright year range in all GDB filesJoel Brobecker52-52/+52
gdb/ChangeLog: Update copyright year range in all GDB files
2017-01-01update copyright year range in GDB filesJoel Brobecker52-52/+52
This applies the second part of GDB's End of Year Procedure, which updates the copyright year range in all of GDB's files. gdb/ChangeLog: Update copyright year range in all GDB files.
2016-12-09Compile gdb.perf/skip-prologue.c with and without debug infoYao Qi1-1/+8
gdb.perf/skip-prologue.exp is intended to measure the performance of skipping prologue with prologue analysis by setting breakpoints. However, if program is compiled with debug info, GDB is smart to skip prologue by line table from debug info, so prologue analysis is not exercised at all. This patch adds a parameter COMPILE to specify compiling with debug information, otherwise, it is compiled without debug information. gdb/testsuite: 2016-12-09 Yao Qi <yao.qi@linaro.org> * gdb.perf/skip-prologue.exp: Add parameter COMPILE.
2016-12-01Fix test names starting with uppercase output by basic functionsLuis Machado5-5/+5
The following patch is based on the previous patch i sent and handles cases of test names that start with an uppercase letter. Test names should start with lowercase unless it starts with the name of a technology, architecture, ISA etc. This first patch addresses cases of test names output explicitly via xfail, kfail, kpass, fail, pass, unsupported, untested and also names set with the pattern "set test" and "set testname". gdb/testsuite/ChangeLog: 2016-12-01 Luis Machado <lgustavo@codesourcery.com> Fix test names starting with uppercase throughout all the files below. * gdb.ada/array_return.exp * gdb.ada/catch_ex.exp * gdb.ada/info_exc.exp * gdb.ada/mi_catch_ex.exp * gdb.ada/mi_dyn_arr.exp * gdb.ada/mi_ex_cond.exp * gdb.ada/mi_exc_info.exp * gdb.ada/mi_interface.exp * gdb.ada/mi_task_arg.exp * gdb.ada/mi_task_info.exp * gdb.ada/mi_var_array.exp * gdb.arch/alpha-step.exp * gdb.arch/amd64-disp-step.exp * gdb.arch/arm-disp-step.exp * gdb.arch/disp-step-insn-reloc.exp * gdb.arch/e500-prologue.exp * gdb.arch/ftrace-insn-reloc.exp * gdb.arch/gdb1558.exp * gdb.arch/i386-bp_permanent.exp * gdb.arch/i386-disp-step.exp * gdb.arch/i386-float.exp * gdb.arch/i386-gnu-cfi.exp * gdb.arch/ia64-breakpoint-shadow.exp * gdb.arch/mips16-thunks.exp * gdb.arch/pa-nullify.exp * gdb.arch/powerpc-aix-prologue.exp * gdb.arch/powerpc-power.exp * gdb.arch/ppc-dfp.exp * gdb.arch/s390-tdbregs.exp * gdb.arch/spu-info.exp * gdb.arch/spu-ls.exp * gdb.arch/thumb-bx-pc.exp * gdb.base/advance.exp * gdb.base/annota-input-while-running.exp * gdb.base/arrayidx.exp * gdb.base/asmlabel.exp * gdb.base/async.exp * gdb.base/attach-wait-input.exp * gdb.base/auto-connect-native-target.exp * gdb.base/batch-preserve-term-settings.exp * gdb.base/bfp-test.exp * gdb.base/bigcore.exp * gdb.base/bp-permanent.exp * gdb.base/break-always.exp * gdb.base/break-fun-addr.exp * gdb.base/break-idempotent.exp * gdb.base/break-main-file-remove-fail.exp * gdb.base/break-probes.exp * gdb.base/break-unload-file.exp * gdb.base/break.exp * gdb.base/call-ar-st.exp * gdb.base/call-rt-st.exp * gdb.base/call-sc.exp * gdb.base/call-signal-resume.exp * gdb.base/call-strs.exp * gdb.base/callexit.exp * gdb.base/callfuncs.exp * gdb.base/catch-gdb-caused-signals.exp * gdb.base/catch-signal-siginfo-cond.exp * gdb.base/catch-syscall.exp * gdb.base/compare-sections.exp * gdb.base/cond-eval-mode.exp * gdb.base/condbreak-call-false.exp * gdb.base/consecutive-step-over.exp * gdb.base/cursal.exp * gdb.base/disabled-location.exp * gdb.base/disasm-end-cu.exp * gdb.base/display.exp * gdb.base/double-prompt-target-event-error.exp * gdb.base/dprintf-bp-same-addr.exp * gdb.base/dprintf-detach.exp * gdb.base/dprintf-next.exp * gdb.base/dprintf-non-stop.exp * gdb.base/dprintf-pending.exp * gdb.base/dso2dso.exp * gdb.base/ending-run.exp * gdb.base/enum_cond.exp * gdb.base/examine-backward.exp * gdb.base/exe-lock.exp * gdb.base/exec-invalid-sysroot.exp * gdb.base/execl-update-breakpoints.exp * gdb.base/execution-termios.exp * gdb.base/fileio.exp * gdb.base/fixsection.exp * gdb.base/foll-exec-mode.exp * gdb.base/foll-exec.exp * gdb.base/fork-running-state.exp * gdb.base/frame-args.exp * gdb.base/fullpath-expand.exp * gdb.base/func-ptr.exp * gdb.base/gcore-relro-pie.exp * gdb.base/gdb1090.exp * gdb.base/gdb1555.exp * gdb.base/global-var-nested-by-dso.exp * gdb.base/gnu-ifunc.exp * gdb.base/hbreak-in-shr-unsupported.exp * gdb.base/hbreak-unmapped.exp * gdb.base/hook-stop.exp * gdb.base/infcall-input.exp * gdb.base/info-fun.exp * gdb.base/info-shared.exp * gdb.base/interrupt-noterm.exp * gdb.base/jit-so.exp * gdb.base/jit.exp * gdb.base/line-symtabs.exp * gdb.base/list.exp * gdb.base/longjmp.exp * gdb.base/macscp.exp * gdb.base/max-value-size.exp * gdb.base/nodebug.exp * gdb.base/nofield.exp * gdb.base/overlays.exp * gdb.base/paginate-after-ctrl-c-running.exp * gdb.base/paginate-bg-execution.exp * gdb.base/paginate-inferior-exit.exp * gdb.base/pending.exp * gdb.base/pr11022.exp * gdb.base/printcmds.exp * gdb.base/ptr-typedef.exp * gdb.base/ptype.exp * gdb.base/randomize.exp * gdb.base/range-stepping.exp * gdb.base/realname-expand.exp * gdb.base/relativedebug.exp * gdb.base/remote.exp * gdb.base/savedregs.exp * gdb.base/sepdebug.exp * gdb.base/set-noassign.exp * gdb.base/shlib-call.exp * gdb.base/shreloc.exp * gdb.base/sigaltstack.exp * gdb.base/sigbpt.exp * gdb.base/siginfo-addr.exp * gdb.base/siginfo-obj.exp * gdb.base/siginfo-thread.exp * gdb.base/signest.exp * gdb.base/signull.exp * gdb.base/sigrepeat.exp * gdb.base/skip.exp * gdb.base/so-impl-ld.exp * gdb.base/solib-corrupted.exp * gdb.base/solib-disc.exp * gdb.base/solib-display.exp * gdb.base/solib-overlap.exp * gdb.base/solib-search.exp * gdb.base/solib-symbol.exp * gdb.base/source-execution.exp * gdb.base/sss-bp-on-user-bp-2.exp * gdb.base/sss-bp-on-user-bp.exp * gdb.base/stack-checking.exp * gdb.base/stale-infcall.exp * gdb.base/step-break.exp * gdb.base/step-line.exp * gdb.base/step-over-exit.exp * gdb.base/step-test.exp * gdb.base/structs.exp * gdb.base/sym-file.exp * gdb.base/symtab-search-order.exp * gdb.base/term.exp * gdb.base/type-opaque.exp * gdb.base/unload.exp * gdb.base/until-nodebug.exp * gdb.base/until.exp * gdb.base/unwindonsignal.exp * gdb.base/watch-cond.exp * gdb.base/watch-non-mem.exp * gdb.base/watch_thread_num.exp * gdb.base/watchpoint-reuse-slot.exp * gdb.base/watchpoint-solib.exp * gdb.base/watchpoint.exp * gdb.btrace/dlopen.exp * gdb.cell/arch.exp * gdb.cell/break.exp * gdb.cell/bt.exp * gdb.cell/core.exp * gdb.cell/data.exp * gdb.cell/dwarfaddr.exp * gdb.cell/ea-cache.exp * gdb.cell/ea-standalone.exp * gdb.cell/ea-test.exp * gdb.cell/f-regs.exp * gdb.cell/fork.exp * gdb.cell/gcore.exp * gdb.cell/mem-access.exp * gdb.cell/ptype.exp * gdb.cell/registers.exp * gdb.cell/sizeof.exp * gdb.cell/solib-symbol.exp * gdb.cell/solib.exp * gdb.compile/compile-tls.exp * gdb.cp/exception.exp * gdb.cp/gdb2495.exp * gdb.cp/local.exp * gdb.cp/mb-inline.exp * gdb.cp/mb-templates.exp * gdb.cp/pr10687.exp * gdb.cp/pr9167.exp * gdb.cp/scope-err.exp * gdb.cp/templates.exp * gdb.cp/virtfunc.exp * gdb.dwarf2/dw2-dir-file-name.exp * gdb.dwarf2/dw2-single-line-discriminators.exp * gdb.fortran/complex.exp * gdb.fortran/library-module.exp * gdb.guile/guile.exp * gdb.guile/scm-cmd.exp * gdb.guile/scm-frame-inline.exp * gdb.guile/scm-objfile.exp * gdb.guile/scm-pretty-print.exp * gdb.guile/scm-symbol.exp * gdb.guile/scm-type.exp * gdb.guile/scm-value.exp * gdb.linespec/keywords.exp * gdb.linespec/ls-errs.exp * gdb.linespec/macro-relative.exp * gdb.linespec/thread.exp * gdb.mi/mi-breakpoint-changed.exp * gdb.mi/mi-dprintf-pending.exp * gdb.mi/mi-fullname-deleted.exp * gdb.mi/mi-logging.exp * gdb.mi/mi-pending.exp * gdb.mi/mi-solib.exp * gdb.mi/new-ui-mi-sync.exp * gdb.mi/user-selected-context-sync.exp * gdb.multi/dummy-frame-restore.exp * gdb.multi/multi-arch-exec.exp * gdb.multi/remove-inferiors.exp * gdb.multi/watchpoint-multi-exit.exp * gdb.opt/solib-intra-step.exp * gdb.perf/backtrace.exp * gdb.perf/single-step.exp * gdb.perf/skip-command.exp * gdb.perf/skip-prologue.exp * gdb.perf/solib.exp * gdb.python/lib-types.exp * gdb.python/py-as-string.exp * gdb.python/py-bad-printers.exp * gdb.python/py-block.exp * gdb.python/py-breakpoint.exp * gdb.python/py-cmd.exp * gdb.python/py-events.exp * gdb.python/py-evthreads.exp * gdb.python/py-finish-breakpoint.exp * gdb.python/py-finish-breakpoint2.exp * gdb.python/py-frame-inline.exp * gdb.python/py-frame.exp * gdb.python/py-inferior.exp * gdb.python/py-infthread.exp * gdb.python/py-mi.exp * gdb.python/py-objfile.exp * gdb.python/py-pp-maint.exp * gdb.python/py-pp-registration.exp * gdb.python/py-prettyprint.exp * gdb.python/py-recurse-unwind.exp * gdb.python/py-shared.exp * gdb.python/py-symbol.exp * gdb.python/py-symtab.exp * gdb.python/py-template.exp * gdb.python/py-type.exp * gdb.python/py-unwind-maint.exp * gdb.python/py-unwind.exp * gdb.python/py-value.exp * gdb.python/python.exp * gdb.reverse/finish-reverse-bkpt.exp * gdb.reverse/insn-reverse.exp * gdb.reverse/next-reverse-bkpt-over-sr.exp * gdb.reverse/solib-precsave.exp * gdb.reverse/solib-reverse.exp * gdb.stabs/gdb11479.exp * gdb.stabs/weird.exp * gdb.threads/fork-child-threads.exp * gdb.threads/fork-plus-threads.exp * gdb.threads/fork-thread-pending.exp * gdb.threads/forking-threads-plus-breakpoint.exp * gdb.threads/hand-call-in-threads.exp * gdb.threads/interrupted-hand-call.exp * gdb.threads/linux-dp.exp * gdb.threads/local-watch-wrong-thread.exp * gdb.threads/next-while-other-thread-longjmps.exp * gdb.threads/non-ldr-exit.exp * gdb.threads/pending-step.exp * gdb.threads/print-threads.exp * gdb.threads/process-dies-while-detaching.exp * gdb.threads/process-dies-while-handling-bp.exp * gdb.threads/pthreads.exp * gdb.threads/queue-signal.exp * gdb.threads/reconnect-signal.exp * gdb.threads/signal-command-handle-nopass.exp * gdb.threads/signal-command-multiple-signals-pending.exp * gdb.threads/signal-delivered-right-thread.exp * gdb.threads/signal-sigtrap.exp * gdb.threads/sigthread.exp * gdb.threads/staticthreads.exp * gdb.threads/stepi-random-signal.exp * gdb.threads/thread-unwindonsignal.exp * gdb.threads/thread_check.exp * gdb.threads/thread_events.exp * gdb.threads/tid-reuse.exp * gdb.threads/tls-nodebug.exp * gdb.threads/tls-shared.exp * gdb.threads/tls-so_extern.exp * gdb.threads/tls.exp * gdb.threads/wp-replication.exp * gdb.trace/actions-changed.exp * gdb.trace/actions.exp * gdb.trace/backtrace.exp * gdb.trace/change-loc.exp * gdb.trace/collection.exp * gdb.trace/deltrace.exp * gdb.trace/disconnected-tracing.exp * gdb.trace/entry-values.exp * gdb.trace/ftrace-lock.exp * gdb.trace/ftrace.exp * gdb.trace/infotrace.exp * gdb.trace/mi-trace-frame-collected.exp * gdb.trace/mi-trace-unavailable.exp * gdb.trace/mi-traceframe-changed.exp * gdb.trace/mi-tracepoint-changed.exp * gdb.trace/mi-tsv-changed.exp * gdb.trace/no-attach-trace.exp * gdb.trace/packetlen.exp * gdb.trace/passc-dyn.exp * gdb.trace/passcount.exp * gdb.trace/pending.exp * gdb.trace/pr16508.exp * gdb.trace/qtro.exp * gdb.trace/range-stepping.exp * gdb.trace/read-memory.exp * gdb.trace/report.exp * gdb.trace/save-trace.exp * gdb.trace/signal.exp * gdb.trace/stap-trace.exp * gdb.trace/status-stop.exp * gdb.trace/strace.exp * gdb.trace/tfile.exp * gdb.trace/tfind.exp * gdb.trace/trace-break.exp * gdb.trace/trace-condition.exp * gdb.trace/trace-enable-disable.exp * gdb.trace/trace-mt.exp * gdb.trace/tracecmd.exp * gdb.trace/tracefile-pseudo-reg.exp * gdb.trace/tspeed.exp * gdb.trace/tstatus.exp * gdb.trace/tsv.exp * gdb.trace/unavailable.exp * gdb.trace/while-dyn.exp * gdb.trace/while-stepping.exp * lib/gdb-guile.exp * lib/gdb.exp * lib/mi-support.exp * lib/pascal.exp * lib/perftest.exp * lib/prelink-support.exp * lib/selftest-support.exp
2016-02-23Extend "skip" command to support -file, -gfile, -function, -rfunction.Doug Evans3-0/+218
gdb/ChangeLog: Extend "skip" command to support -file, -gfile, -function, -rfunction. * NEWS: Document new features. * skip.c: #include "fnmatch.h", "gdb_regex.h". (skiplist_entry) <file>: Renamed from filename. <function>: Renamed from function_name. <file_is_glob, function_is_regexp>: New members. <compiled_function_regexp, compiled_function_regexp_is_valid>: New members. (make_skip_entry): New function. (free_skiplist_entry, free_skiplist_entry_cleanup): New functions. (make_free_skiplist_entry_cleanup): New function. (skip_file_command): Update. (skip_function, skip_function_command): Update. (compile_skip_regexp): New functions. (skip_command): Add support for new options. (skip_info): Update. (skip_file_p, skip_gfile_p): New functions. (skip_function_p, skip_rfunction_p): New functions. (function_name_is_marked_for_skip): Update and simplify. (_initialize_step_skip): Update. * symtab.c: #include "fnmatch.h". (compare_glob_filenames_for_search): New function. * symtab.h (compare_glob_filenames_for_search): Declare. * utils.c (count_path_elements): New function. (strip_leading_path_elements): New function. * utils.h (count_path_elements): Declare. (strip_leading_path_elements): Declare. gdb/doc/ChangeLog: * gdb.texinfo (Skipping Over Functions and Files): Document new options to "skip" command. Update docs of output of "info skip". gdb/testsuite/ChangeLog: * gdb.base/skip.c (test_skip): New function. (end_test_skip_file_and_function): New function. (test_skip_file_and_function): New function. * gdb.base/skip1.c (test_skip): New function. (skip1_test_skip_file_and_function): New function. * gdb.base/skip.exp: Add tests for new skip options. * gdb.base/skip-solib.exp: Update expected output. * gdb.perf/skip-command.cc: New file. * gdb.perf/skip-command.exp: New file. * gdb.perf/skip-command.py: New file.
2016-02-08Always organize test artifacts in a directory hierarchySimon Marchi1-15/+0
When running tests in parallel, each test puts its generated files in a different directory, under "outputs". I think it would be nice if it was always the case, as it would isolate the test cases a bit more. An artifact created by a test wouldn't get overwritten by another test. Also, it makes it easier to clean up. A lot of executables are left all over the place because their names do not appear in gdb.*/Makefile. If everything is in "outputs", then we just have to delete that directory (which we already do). At the same time it makes the gdb.foo directories and their Makefiles useless in the build directory, since they are pretty much only used for cleaning. What do you think? gdb/testsuite/ChangeLog: * Makefile.in (ALL_SUBDIRS): Remove. (clean mostlyclean): Do not recurse in ALL_SUBDIRS. (distclean maintainer-clean realclean): Likewise. * configure.ac (AC_OUTPUT): Remove gdb.*/Makefile. * configure: Regenerate. * gdb.ada/Makefile.in: Delete. * gdb.arch/Makefile.in: Likewise. * gdb.asm/Makefile.in: Likewise. * gdb.base/Makefile.in: Likewise. * gdb.btrace/Makefile.in: Likewise. * gdb.cell/Makefile.in: Likewise. * gdb.compile/Makefile.in: Likewise. * gdb.cp/Makefile.in: Likewise. * gdb.disasm/Makefile.in: Likewise. * gdb.dlang/Makefile.in: Likewise. * gdb.dwarf2/Makefile.in: Likewise. * gdb.fortran/Makefile.in: Likewise. * gdb.gdb/Makefile.in: Likewise. * gdb.go/Makefile.in: Likewise. * gdb.guile/Makefile.in: Likewise. * gdb.java/Makefile.in: Likewise. * gdb.linespec/Makefile.in: Likewise. * gdb.mi/Makefile.in: Likewise. * gdb.modula2/Makefile.in: Likewise. * gdb.multi/Makefile.in: Likewise. * gdb.objc/Makefile.in: Likewise. * gdb.opencl/Makefile.in: Likewise. * gdb.opt/Makefile.in: Likewise. * gdb.pascal/Makefile.in: Likewise. * gdb.perf/Makefile.in: Likewise. * gdb.python/Makefile.in: Likewise. * gdb.reverse/Makefile.in: Likewise. * gdb.server/Makefile.in: Likewise. * gdb.stabs/Makefile.in: Likewise. * gdb.threads/Makefile.in: Likewise. * gdb.trace/Makefile.in: Likewise. * gdb.xml/Makefile.in: Likewise. * lib/gdb.exp (make_gdb_parallel_path): Add check for GDB_PARALLEL. (standard_output_file): Remove check for GDB_PARALLEL, always return path in outputs/$subdir/$testname.
2016-01-08perf testsuite: python 3 fixesSimon Marchi2-7/+10
There are a few errors when trying to run the performance testsuite with Python 3. This commit fixes them. In Python 2, it was possible to use relative imports (importing a module relative to the current one). In Python 3 it isn't. So I use absolute_import from the __future__ module, which allows Python 2 to behave like Python 3, and use the Python 3 syntax. In Python 3, dict.iterkeys doesn't exist anymore. Using dict.keys is a good compromise in this case. gdb/testsuite/ChangeLog: * gdb.perf/lib/perftest/perftest.py: Change relative imports to absolute. (SingleStatisticTestResult.report): Use dict.keys instead of dict.iterkeys.
2016-01-01GDB copyright headers update after running GDB's copyright.py script.Joel Brobecker49-49/+49
gdb/ChangeLog: Update year range in copyright notice of all files.
2015-08-14perftest/utils.py (select_file): Kill any existing inferior before selecting ↵Doug Evans1-0/+1
a new file. gdb/testsuite/ChangeLog: * gdb.perf/lib/perftest/utils.py (select_file): Kill any existing inferior before selecting a new file.
2015-08-03gdb.perf/single-step.exp (SINGLE_STEP_COUNT): Change to 1000 from 10000.Doug Evans1-1/+1
single-step.exp takes a while to run, and while that's not necessarily bad, here it's because the default value of SINGLE_STEP_COUNT is 10,000. We're not going to gain any more insight into perf issues single-stepping (stepi) 10,000 times over 1,000 times, so this patch changes the default to 1,000. gdb/testsuite/ChangeLog: * gdb.perf/single-step.exp (SINGLE_STEP_COUNT): Change to 1000 from 10000.
2015-08-03Move basic perf-test output from perftest.log to perftest.sum.Doug Evans2-8/+32
This patch does two things. 1) Add support for multiple data points. 2) Move the "report" output from perftest.log to perftest.sum. I want to record the raw data somewhere, and a bit of statistical analysis (standard deviation left for another day), but I also don't want it to clutter up the basic report. This patch takes a cue from gdb.{sum,log} and does the same thing with perftest.{sum,log}. Ultimately, we'll probably want to emit raw data to csv files or some such and then do post-processing passes on that. gdb/testsuite/ChangeLog: * lib/perftest/reporter.py (SUM_FILE_NAME): New global. (LOG_FILE_NAME): New global. (TextReporter.__init__): Initialize self.txt_sum. (TextReporter.report): Add support for multiple data-points. Move report to perftest.sum, put raw data in perftest.log. (TextReporter.start): Open sum and log files. (TextReporter.end): Close sum and log files. * lib/perftest/testresult.py (SingleStatisticTestResult.record): Handle multiple data-points.
2015-07-24Revert 4fd4095a5ffe3d4e50e0dac5f8ad37b8478afa9d, log individual measurements.Doug Evans1-6/+0
I think I lost a patch along the way, because I remember needing something like this, but the reverted patch isn't the right way to do this. Removing ... gdb/testsuite/ChangeLog: * gdb.perf/lib/perftest/measure.py (MeasurementCpuTime::stop): Print result. (MeasurementWallTime::stop): Ditto. (MeasurementVmSizeTime::stop): Ditto.
2015-07-24Add gmonster-{1,2} perf testcases.Doug Evans30-0/+1175
These testcases are mocks of real programs. GDB doesn't care what the programs do, they just have to look and/or behave like the real program. These testcases exercise gdb when debugging really large programs. E.g., gmonster-1 has 10,000 CUs, and gmonster-2 has 1000 shared libs (which is actually a little small, 5000 would be more accurate). gdb/testsuite/ChangeLog: * gdb.perf/lib/perftest/utils.py: New file. * gdb.perf/gm-hello.cc: New file. * gdb.perf/gm-pervasive-typedef.cc: New file. * gdb.perf/gm-pervasive-typedef.h: New file. * gdb.perf/gm-std.cc: New file. * gdb.perf/gm-std.h: New file. * gdb.perf/gm-use-cerr.cc: New file. * gdb.perf/gm-utils.h: New file. * gdb.perf/gmonster-null-lookup.py: New file. * gdb.perf/gmonster-pervasive-typedef.py: New file. * gdb.perf/gmonster-print-cerr.py: New file. * gdb.perf/gmonster-ptype-string.py: New file. * gdb.perf/gmonster-runto-main.py: New file. * gdb.perf/gmonster-select-file.py: New file. * gdb.perf/gmonster1-null-lookup.exp: New file. * gdb.perf/gmonster1-pervasive-typedef.exp: New file. * gdb.perf/gmonster1-print-cerr.exp: New file. * gdb.perf/gmonster1-ptype-string.exp: New file. * gdb.perf/gmonster1-runto-main.exp: New file. * gdb.perf/gmonster1-select-file.exp: New file. * gdb.perf/gmonster1.cc: New file. * gdb.perf/gmonster1.exp: New file. * gdb.perf/gmonster2-null-lookup.exp: New file. * gdb.perf/gmonster2-pervasive-typedef.exp: New file. * gdb.perf/gmonster2-print-cerr.exp: New file. * gdb.perf/gmonster2-ptype-string.exp: New file. * gdb.perf/gmonster2-runto-main.exp: New file. * gdb.perf/gmonster2-select-file.exp: New file. * gdb.perf/gmonster2.cc: New file. * gdb.perf/gmonster2.exp: New file.
2015-07-24Add perf testcase generator.Doug Evans1-0/+211
gdb/testsuite/ChangeLog: * gdb.perf/README: New file. * lib/perftest.exp (tcl_string_list_to_python_list): New function. * lib/gen-perf-test.exp: New file.
2015-07-24PerfTest::assemble functions return results.Doug Evans5-0/+12
gdb/testsuite/ChangeLog: * lib/perftest.exp (PerfTest::compile): Unconditionally call body. (PerfTest::startup): New function. (PerfTest::run): Return result of calling body. (PerfTest::assemble): Rewrite. * gdb.perf/backtrace.exp (PerfTest::assemble): Update function result. * gdb.perf/disassemble.exp (PerfTest::assemble): Ditto. * gdb.perf/single-step.exp (PerfTest::assemble): Ditto. * gdb.perf/skip-prologue.exp (PerfTest::assemble): Ditto. * gdb.perf/solib.exp (PerfTest::assemble): Ditto.
2015-07-24Print data from individual perf runs.Doug Evans1-0/+6
gdb/testsuite/ChangeLog: * gdb.perf/lib/perftest/measure.py (MeasurementCpuTime::stop): Print result. (MeasurementWallTime::stop): Ditto. (MeasurementVmSizeTime::stop): Ditto.
2015-01-01Update year range in copyright notice of all files owned by the GDB project.Joel Brobecker19-19/+19
gdb/ChangeLog: Update year range in copyright notice of all files.
2014-09-13Pass plain-text prompt to with_gdb_prompt.Doug Evans1-1/+1
I had occasion to use with_gdb_prompt in a test for the patch for PR 17314 and was passing the plain text prompt as the value, "(top-gdb)", instead of a regexp, "\(top-gdb\)" (expressed as "\\(top-gdb\\)" in TCL). I then discovered that in order to restore the prompt gdb passes the original value of $gdb_prompt to "set prompt", which works because "set prompt \(gdb\) " is equivalent to "set prompt (gdb) ". Perhaps I'm being overly cautious but this feels a bit subtle, but at any rate as an API choice I'd much rather pass the plain text form to with_gdb_prompt. I also discovered that the initial value of gdb_prompt is set in two places to two different values. At the global level gdb.exp sets it to "\[(\]gdb\[)\]" and default_gdb_init sets it to "\\(gdb\\)". The former form is undesirable as an argument to "set prompt", but it's not clear to me that just deleting this code won't break anything. Thus I just changed the value to be consistent and added a comment. gdb/testsuite/ChangeLog: * lib/gdb.exp (gdb_prompt): Add comment and change initial value to be consistent with what default_gdb_init uses. (with_gdb_prompt): Change form of PROMPT argument from a regexp to the plain text of the prompt. Add some logging printfs. * gdb.perf/disassemble.exp: Update call to with_gdb_prompt.
2014-01-01Update Copyright year range in all files maintained by GDB.Joel Brobecker19-19/+19
2013-12-15Perf test case: skip-prologueYao Qi3-0/+159
This patch add a perf test case on skip-prologue by inserting breakpoints on two functions many times, in order to exercise skip-prologue. gdb/testsuite: 2013-12-15 Yao Qi <yao@codesourcery.com> * gdb.perf/skip-prologue.c: New. * gdb.perf/skip-prologue.exp: New. * gdb.perf/skip-prologue.py: New.
2013-11-28GDB perf test on disassembleYao Qi2-0/+95
This patch adds a test case to test the performance of GDB doing disassembly. gdb/testsuite/ 2013-11-28 Yao Qi <yao@codesourcery.com> * lib/gdb.exp (with_gdb_prompt): New proc. * gdb.perf/disassemble.exp: New. * gdb.perf/disassemble.py: New.
2013-11-25GDB perf test on backtraceYao Qi3-0/+170
gdb/testsuite/ 2013-11-25 Yao Qi <yao@codesourcery.com> * gdb.perf/backtrace.c: New. * gdb.perf/backtrace.exp: New. * gdb.perf/backtrace.py: New.
2013-11-24GDB perf test on single stepYao Qi3-0/+125
gdb/testsuite: 2013-11-24 Yao Qi <yao@codesourcery.com> * gdb.perf/single-step.c: New. * gdb.perf/single-step.exp: New. * gdb.perf/single-step.py: New.
2013-11-06Test on solib load and unloadYao Qi3-0/+243
This patch is to add a test case to on the performance of GDB handling load and unload of shared library. In V4: - Handle malloc and dlopen failure, - Document test parameters. In V3, there are some changes, - Adapt to perf test framework changes. - Measure load and unload separately. In V2, there are some changes, - A new proc gdb_produce_source to produce source files. I tried to move all source file generation code out of solib.exp, but compilation step still needs to know the generated file names. I have to hard-code the file names in compilation step, which is not good to me, so I give up on this moving. - SOLIB_NUMBER -> SOLIB_COUNT - New variable SOLIB_DLCLOSE_REVERSED_ORDER to control the order of iterating a list of shared libs to dlclose them. - New variable GDB_PERFORMANCE to enable these perf test cases. - Remove dlsym call in solib.c. - Update solib.py for the updated framework. gdb/testsuite/ * lib/gdb.exp (gdb_produce_source): New procedure. * gdb.perf/solib.c: New. * gdb.perf/solib.exp: New. * gdb.perf/solib.py: New.
2013-11-06Perf test frameworkYao Qi5-0/+357
This patch adds a basic framework to do performance testing for GDB. perftest.py is about the test case, testresult.py is about test results, and how are they saved. reporter.py is about how results are reported (in what format). measure.py is about measuring the execution of tests by a collection of measurements. In V5: - Simplify perftest.exp. In V4: - Rename MeasurementCPUTime to MeasurementCpuTime, - Add 'pass' in empty method, - Simplify string comparison in perftest.exp. - Rename GDB_PERFORMANCE to GDB_PERFTEST_MODE and rename GDB_PERFORMANCE_TIMEOUT to GDB_PERFTEST_TIMEOUT. In V3, there are some changes, - Add wall time measurement, cpu time measurement and vmsize measurement. - Rename SingleStatisticTestCase to TestCaseWithBasicMeasurements, which measures cpu time, wall time, and memory (vmsize). - GDB_PERFORMANCE=run|compile|both to control the mode of perf testing. - New GDB_PERFORMANCE_TIMEOUT to specify the timeout. - Split proc prepare to proc compile and startup. - Disable GC while doing measurements. In V2, there are several changes to address Doug and Sanimir's comments. - Add copyright header and docstring in perftest/__init__.py - Remove config.py. - Fix docstring format. - Rename classes "SingleVariable" to "SingleStatistic". - Don't extend gdb.Function in class TestCase. Add a new method run to run the test case so that we can pass parameters to test. - Allow to customize whether to warm up and to append test log. - Move time measurement into test harness. Add a new class Measurement for a specific measurement and a new class Measure to measure them for a given test case. - A new class ResultFactory to create instances of TestResult. - New file lib/perftest.exp, which is to do some preparations and cleanups to simplify each *.exp file. - Skip compilation step if GDB_PERFORMANCE_SKIP_COMPILE is set. gdb/testsuite/ 2013-11-06 Yao Qi <yao@codesourcery.com> * lib/perftest.exp: New. * gdb.perf/lib/perftest/__init__.py: New. * gdb.perf/lib/perftest/measure.py: New. * gdb.perf/lib/perftest/perftest.py: New. * gdb.perf/lib/perftest/reporter.py: New. * gdb.perf/lib/perftest/testresult.py: New.
2013-11-06New make target 'check-perf' and new dir gdb.perfYao Qi1-0/+15
We add a new dir gdb.perf in testsuite for all performance tests. However, current 'make check' logic will either run dejagnu in directory testsuite or iterate all gdb.* directories which has *.exp files. Both of them will run tests in gdb.perf. We want to achieve: 1) typical 'make check' should not run performance tests. In each perf test case, GDB_PERFTEST_MODE is checked. If it doesn't exist, return. 2) run perf tests easily. We add a new makefile target 'check-perf'. gdb: 2013-11-06 Yao Qi <yao@codesourcery.com> * Makefile.in (check-perf): New target. gdb/testsuite: 2013-11-06 Yao Qi <yao@codesourcery.com> * Makefile.in (check-perf): New target. * configure.ac (AC_OUTPUT): Output Makefile in gdb.perf. * configure: Re-generated. * gdb.perf/Makefile.in: New.
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