| Commit message (Collapse) | Author | Age | Files | Lines |
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* runtime/io.c (_stp_vlog): Don't put ansi highlighting into debugging
messages. #if STAP_DEBUG_PRINTK, direct all diagnostics to appropriate
printk channel instead of runtime trace buffer.
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_stp_vscnprintf is only suitable for calls from the script, with slightly
different conventions (64-bit ints/pointers, extra formatting directives).
* runtime/runtime.h (_stp_{dbug,warn,error}): Add __attribute__ format(printf).
* runtime/io.c (_stp_vlog): Ditto. Use vscnprintf().
* runtime/sym.c (_stp_module_check): Remove hexdumping (%.*M) of mismatching
buildids. Switch to _stp_warn from printk (KERN_WARNING).
* translate.cxx, runtime/unwind.c: Numerous print formatting tweaks.
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2009-02-18 David Smith <dsmith@redhat.com>
* io.c (_stp_log): Removed unused function.
* map.c (_stp_cmp): Replace _stp_log() with dbug().
* mempool.c (_stp_mempool_resize): Removed unused function.
* print.c (next_fmt): Removed unused function.
* procfs.c: Removed unused variable '_stp_num_procfs_files'.
* regs.c (_stp_ret_addr): Removed unused function.
* string.c (_stp_text_str): Removed unused variable 'len'.
* string.h: Removed unused variable '_stdout_' and function
declaration for deleted function '_stp_vsprintf'.
* sym.c: Removed unused variables.
* unwind.c (_stp_create_unwind_hdr): Removed unused function.
2009-02-18 David Smith <dsmith@redhat.com>
* control.c: Removed unused variable '_stp_current_buffers'.
* procfs.c (_stp_set_buffers): Removed unused function.
(_stp_register_ctl_channel_fs): Removed unused variables and
label.
* symbols.c (u32_swap): Removed unused function.
(generic_swap): Ditto.
(_stp_sort): Ditto.
(_stp_section_is_interesting): Ditto.
* transport.c (_stp_transport_init): Removed unused variable
'ret'.
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This change just inserts 'static' on runtime, tapset, and generated C
functions and globals, so the compiler can do a better job of
optimizing.
My tests with small scripts show ~10% reduction in compile time and ~20%
reduction in module size. Larger scripts may show less benefit, but I
expect purely positive results.
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* io.c (_stp_vlog): Use get_cpu() instead
of smp_processor_id() because this function can get
called with interrupts enabled.
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* bench2/bench.rb: Updated to work with new transport
and new itest.c.
* bench2/Makefile: Updated for new itest.c
* bench2/itest.c: Rewritten to use multiple threads
and automatically divide the workload among the threads.
* print.c (_stp_print_flush): Move to print_new.c and
print_old.c.
* print_new.c: New file containing _stp_print_flush()
for the new transport.
* print_old.c: Ditto for old transport.
* runtime.h (STP_OLD_TRANSPORT): Define
(errk): Define.
(MAXSTRINGLEN): Define if not already defined.
* io.c (_stp_vlog): Use _stp_ctl_write().
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* string.c (_stp_string_init): Deleted.
(_stp_sprintf): Deleted.
(_stp_vsprintf): Deleted.
(_stp_string_cat_cstr): Deleted.
(_stp_string_cat_string): Deleted.
(_stp_string_cat_char): Deleted.
(_stp_string_ptr): Deleted.
(_stp_string_cat): Deleted.
(_stp_snprintf): Moved from vsprintf.c.
(_stp_vscnprintf): Moved from vsprintf.c.
* string.h (STP_STRING_SIZE): Deleted.
(STP_NUM_STRINGS): Deleted.
Remove all references to type "String".
* vsprintf.c (_stp_vscnprintf): Moved to string.c.
(_stp_snprintf): Moved to string.c
* sym.c (_stp_symbol_sprint): Replaced with
_stp_symbol_print, which writes to the print buffer.
(_stp_symbol_sprint_basic): Replaced with
_stp_symbol_snprint.
* runtime.h: Include io.c.
* stat-common.c: Use new _stp_print* functions.
* stat.c: Ditto.
* regs.c: Renamed to regs-ia64.c.
* current.c: Renamed regs.c.
* regs-ia64.c: New file (renamed from regs.c).
* stack.c (_stp_stack_sprint): Renamed _stp_stack_print
and now just prints to the print buffer. Calls
__stp_stack_print instead of __stp_stack_sprint.
(_stp_stack_snprint): New function. Calls _stp_stack_print and
then copies the print buffer into a string.
(_stp_stack_printj): Deleted.
(_stp_ustack_sprint): Deleted.
* stack-*.c: Rewritten to print instead of writing to strings.
Uses new _stp_print* functions.
* print.c (_stp_printf): Create new function instead of macro.
(_stp_print): Ditto.
(_stp_print_char): New function.
* map.c: Use _stp_print() and _stp_print_char()
instead of _stp_print_cstr().
* io.c (_stp_vlog): Use _stp_print() instead
of _stp_string_cat_cstr().
* copy.c (_stp_string_from_user): Deleted.
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* io.c (_stp_vlog): Use dynamic percpu allocations
instead of very wasteful static allocations.
* print.c (_stp_print_init): Do percpu allocations
for io.c.
(_stp_print_cleanup): Free percpu allocations.
* string.c (_stp_sprintf): Overflow check needed
to be >= instead of >.
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* io.c (_stp_vlog, _stp_dbug): Make first parameter const.
* runtime.h: Update prototype for _stp_dbug.
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* README: Changed 'stpd' references to 'staprun'.
* README.doc: Ditto.
* TODO: Ditto.
* io.c: Ditto.
* print.c: Ditto.
* runtime.h: Ditto.
* bench2/bench.rb: Ditto.
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* io.c (_stp_vlog): Remove ifdef for STP_RELAYFS. Relayfs now
behaves the same as procfs.
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PR 2148
* translate.cxx (MAXERRORS): Actually the max should be 0, so first
error aborts session.
* Revert last stp_exit change.
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* io.c (_stp_exit): set STAP_SESSION_STOPPING.
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PR 1144, 1379
* tapsets.cxx (emit_probe_prologue, _epilogue): New routines.
Call from existing derived_probe spots. Implement soft errors in
epilogue code. Implement reentrancy detection in prologue code.
(dwarf_derived_probe::emit_deregistration): Add kprobes layer
"nmissed" to skipped_count.
* translate.cxx (varlock): Use nsleep(TRYLOCKDELAY) in lock
contention loop.
(emit_module_exit): Report number of soft errors and skipped probes.
(emit_function, _probe): Add __restrict__ marker to context pointer.
(translate_pass): Define new MAXTRYLOCK, TRYLOCKDELAY, MAXERRORS,
MAXSKIPPED parameters.
* tapset/logging.stp (error): Don't stp_error, just set context state.
* stap.1.in, stapfuncs.5.in: Document soft errors.
* elaborate.h: Corresponding changes.
2006-01-03 Frank Ch. Eigler <fche@redhat.com>
* io.c (_stp_softerror): New function.
2006-01-03 Frank Ch. Eigler <fche@redhat.com>
* systemtap.base/timers.exp: Extend the test run duration.
Accept skipped probe warnings at shutdown.
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* io.c (_stp_exit): To prevent any possible interactions
with the probed function, just set a flag here.
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* ALL: Cleanup copyrights.
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* io.c (ERR_STRING): Remove ansi codes.
(WARN_STRING): Ditto.
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* io.c (_stp_vlog): Send warnings and errors to STP_OOB_DATA.
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* print.c: Change ifdefs to STP_RELAYFS.
* runtime.h: Ditto.
* io.c (_stp_vlog): Call _stp_write instead of
_stp_ctrl_send.
* Makefile: Don't build stp-control.
* README.doc: Update.
* TODO: Update.
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* io.c (_stp_vlog): Revert previous change for now.
* print.c (_stp_print_flush): Ditto.
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* io.c (_stp_vlog): Use _stp_pid instead os _stp_tport->pid.
* print.c (_stp_print_flush): Don't need _stp_tport.
*runtime.h (probe_start): Just call _stp_transport_init().
(probe_exit): Just call _stp_transport_close().
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* io.c (_stp_vlog): Don't count transport failures for
these messages.
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* print.c (_stp_print_flush): Rename "t" to "_stp_tport".
* io.c (_stp_vlog): Ditto.
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* string.c (_stp_string_init): CAll stp_error() on bad
init.
* list.c (_stp_list_clear): Call _stp_warn().
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* alloc.c (_stp_alloc): Call _stp_error().
(_stp_valloc): Ditto.
* io.c (_stp_warn): New function.
(_stp_exit): New function.
(_stp_error): New function.
(_stp_dbug): New function.
* runtime.h (dbug): Call _stp_dbug() if DEBUG is defined.
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* counter.c: New file. Counter aggregations.
* stat.c: New file. Stat aggregations.
* stat.h: Header file for stats.
* map-int.c: New file. Support for int64 values.
* map-stat.c: New file. Support for stat values.
* map-str.c: New file. Support for string values.
* map-values.c: Now just includes the necessary map-*.c files.
* stat-common.c: New file. Stats stuff common to Stats and maps
containing stats.
* Doxyfile: Bumped version to 0.6.
* README: Renamed README.doc and reorganized.
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