guanglei [Fri, 13 Oct 2006 10:08:30 +0000 (10:08 +0000)]
* tapset/scsi.stp:
add more variables
* tapset/LKET/register_event.stp:
be sync with scsi trace hooks
* tapset/LKET/scsi.stp:
avoid reference to struct members in
embedded c. Use stap variables as more as possible.
break scsi_info into four variables.
delete cmd_pid from all logging functions
hunt [Thu, 12 Oct 2006 18:19:18 +0000 (18:19 +0000)]
2006-10-12 Martin Hunt <hunt@redhat.com>
* stack.c: Reorganize and split arch-specific functions to
separate files.
(_stp_kta): Better checking.
(_stp_stack_sprint): Better handling of return probes.
* stack-i386.c: New file. Uses 2.6.18 DWARF unwinder if available.
* stack-x86_64.c: New file. Uses 2.6.18 DWARF unwinder if available.
* stack-ppc64.c: New file.
* stack-ia64.c: New file.
* sym.c (_stp_kallsyms_lookup_name): New function. Like
kallsyms_lookup_name() except use our internal lookup table.
guanglei [Thu, 12 Oct 2006 08:29:10 +0000 (08:29 +0000)]
* ioscheduler.stp:
bugfix to avoid refer to NULL pointer
* hookid_defs.stp, ioscheduler.stp, register_event.stp:
break the old addevent.ioscheduler.elv_next_request into
addevent.ioscheduler.elv_next_request.entry and
addevent.ioscheduler.elv_next_request.return.
Now log_ioscheduler_tracedata_* will use the
variables defined in generic ioscheduler tapset
dsmith [Wed, 11 Oct 2006 14:56:09 +0000 (14:56 +0000)]
2006-10-11 David Smith <dsmith@redhat.com>
* tapsets.cxx (in_kprobes_function): New function that looks up
the values of '__kprobes_text_start' and '__kprobes_text_end' in
the kernel to be able to automatically exclude functions marked as
'__kprobes' (BZ# 2639).
(blacklisted_p): Calls in_kprobes_function().
(query_kernel_module): Utility function that finds the kernel module.
* session.h (struct systemtap_session): Added kprobes_text
variables - kprobes_text_initialized, kprobes_text_start, and
kprobes_text_end.
* elaborate.cxx (systemtap_session::systemtap_session):
kprobes_text variables get initialized.
guanglei [Tue, 10 Oct 2006 09:53:54 +0000 (09:53 +0000)]
* runtime/lket/b2a/lket_b2a.c, runtime/lket/b2a/lket_b2a.h:
Adding the support of automatically database creation and
dumping lket trace into mysql database
* configure.ac:
add the checking of mysql client library
* Makefile.in, configure:
regenerated
* runtime/lket/b2a/Makefile.am:
add the checking and optional compiling for mysql client library
guanglei [Tue, 10 Oct 2006 08:32:06 +0000 (08:32 +0000)]
stapprobes.signal.5.in:
document signal syscall
hookiddefs.stp:
some changes to the hookid:
Now the hookid of a return type event(addevent.*.return)
should be an even number and its value should be the
corresponding entry event hookid +1.
The hookid of a non-return type event should be an odd
number.
Add the hookid of HOOKID_REGEVTDESC
register_event.stp:
add register_evt_desc() to register the description of an event.
Change the register_sys_event() to add the an argument
representing event description
Allow to use empty format string and empty field name when
calling register_event().
Change all calling to register_sys_event() to add an
argument which represents the event description.
Change register_evt_desc() and register_event() to add an argument
representing the event description string, which could help
facilitate the error debugging.
iosyscall.stp:
bugfix to add the variable GroupID and hookID
nfs.stp:
bugfix to add some omitted probe definitions.
nfs_proc.stp:
bugfix of the wrong calling to _lket_trace() for
nfs_proc.remove.entry.
jistone [Mon, 9 Oct 2006 19:34:07 +0000 (19:34 +0000)]
2006-10-09 Josh Stone <joshua.i.stone@intel.com>
From David Wilder <dwilder@us.ibm.com>
* time.c (__stp_estimate_cpufreq): Short-circuit on s390.
(_stp_gettimeofday_ns): Use a fixed formula on s390 to
convert TOD clocks to nanoseconds.
PR 3278
* tapsets.cxx (hrtimer_derived_probe::emit_probe_entries): Only
restart timers when the session is still active and we updated the
expire time.
* session.h (struct systemtap_session): Add kernel_base_release
to store the kernel version without the -NNN suffix.
* main.cxx (main): Generate and use kernel_base_release.
* parse.cxx (eval_pp_conditional): Use kernel_base_release.
* tapsets.cxx (profile_derived_probe::profile_derived_probe):
Use kernel_base_release.
* tapsets.cxx (timer_builder::build): Support a wide variety of
timer varients -- jiffies, s/sec, ms/msec, us/usec, ns/nsec, and
hz. Use hrtimers automatically on kernels that have it.
(timer_builder::register_patterns): Bind all of the new timer
varients in one easy place.
(register_standard_tapsets): Call timer_builder::register_patterns.
(struct hrtimer_builder): Removed since timer_builder is generic.
* stapprobes.5.in: Document new timer.* functionality.
* tapsets.cxx (hrtimer_derived_probe_group::emit_probes): Add a
shared global for the actual hrtimer resolution, _stp_hrtimer_res.
(hrtimer_derived_probe_group::emit_module): Init _stp_hrtimer_res.
(hrtimer_derived_probe::emit_interval): Limit intervals at a
minimum to the hrtimer's actual resolution.
(hrtimer_derived_probe::emit_probe_entries): Forward timers
based on previous expiration instead of restarting relative.
testsuite/
* buildok/fourteen.stp: Test new timer functionality.
2006-09-26 Martin Hunt <hunt@redhat.com>
* time.c (_stp_init_time): Use dynamic percpu allocations
instead of evil static allocations.
(_stp_kill_time): Free percpu allocations and set
_stp_time to NULL so the timers are only deleted once.
./
* stapfuncs.5.in: Document new gettimeofday_ns.
runtime/
* time.c (stp_time_t): Use ns for the base time, and freq is now kHz.
(__stp_estimate_cpufreq): Compute kHz instead of MHz.
(__stp_time_timer_callback, __stp_init_time): Compute base in ns.
(__stp_time_cpufreq_callback): Record kHz instead of MHz.
(_stp_init_time): Record kHz, and disable preemption to avoid a race
in the cpufreq notifier.
(_stp_gettimeofday_ns): Converted from _stp_gettimeofday_us.
tapset/
* timestamp.stp (gettimeofday_ns): New function
(gettimeofday_us, gettimeofday_ms, gettimeofday_s):
Use gettimeofday_ns as the base unit.
lket_trace.stp,process.stp,register_event.stp:
Be sync with the runtime printing changes made by Martin
lket/b2a/lket_b2a.c, lket/b2a/lket_b2a.h:
Be sync with the recent runtime printing changes made by Martin.
Some clean up work before adding the support of dumping data into MySQL
Bug fix of segment fault when an event is not registered.
* bench2/bench.rb: Remove the deprecated "-m" option
to stpd. Also, don't use merge mode for relayfs.
* bench2/run_binary_print: New test. Compare various ways of
printing binary data.
* stpd.c (usage): Remove "-m" option.
(main): Print warning if "-m" is used.
* librelay.c (merge_output): Rewrite to handle
new format that support binary.
(stp_main_loop): Read merge option from the
transport info message.
* print.c (_stp_print_flush): Rewrite so one version works for
relayfs or procfs. Use proper per-cpu functions.
(_stp_reserve_bytes): New function. Reserve bytes in the output buffer.
(_stp_print_binary): New function. Write a variable number of
64-bit values directly into the output buffer.
* string.c (_stp_sprintf): Rewrite using new per-cpu buffers.
(_stp_vsprintf): Ditto.
(_stp_string_cat_cstr): Ditto.
(_stp_string_cat_char): Ditto.
* runtime.h: Set defaults for MAXTRYLOCK and TRYLOCKDELAY to make
runtime tests in bench2 happy.
tapset/nfsd.stp, tapset/nfs_proc.stp, tapset/nfs.stp:
Change NFS file identifier. Change NFS version data type
from String to INT. Add version variable to nfs_open
and nfs_release.
LKET/iosyscall.stp:
change log_iosyscall_sync() be sync with different timing methods.
LKET/utils.stp:
add reset_maxaction() since there are too many functions called inside "probe begin".
LKET/nfsd.stp, LKET/nfs_proc.stp, LKET/nfs.stp:
New trace hooks for NFS, including both NFS client and server side activities.
LKET/register_event.stp:
Add the register event calls for NFS trace hooks.
* elaborate.h (struct derived_probe): Replace emit_registrations()
function with emit_registrations_start() and
emit_registrations_end().
(struct derived_probe_group): Added emit_module_init().
(struct derived_probe_group_container): Added emit_module_init(),
emit_module_init_call(), and emit_module_exit().
* elaborate.cxx (struct alias_derived_probe): Updated
emit_regitrations calls.
* translate.cxx (emit_module_init): Instead of actually emitting
per-probe-point registrations/unregistrations, let the session's
derived_probe_group_container do it.
* tapsets.cxx (emit_probe_timing): New function that handles
probe timing code.
(be_derived_probe::emit_registrations_start): Renamed from
emit_registrations.
(be_derived_probe_group::emit_module_init): New function that
outputs probes create and destroy functions.
(dwarf_derived_probe::emit_registrations): Removed, but most code
moved to emit_registrations_start().
(dwarf_derived_probe::emit_registrations_start): Handles details
of multiple dwarf probe registrations.
(dwarf_derived_probe::emit_registrations_end): Handles cleanup
details of multiple dwarf probe registrations.
(dwarf_derived_probe_group::emit_module_init): New function that
outputs probes create and destroy functions.
(timer_derived_probe::emit_registrations_start): Renamed from
emit_registrations. Added mutiple probe handling.
(timer_derived_probe::emit_registrations_end): Handles cleanup
details of multiple probe registrations.
(timer_derived_probe_group::emit_module_init): New function that
outputs probes create and destroy functions.
(profile_derived_probe::emit_registrations_start): Renamed from
emit_registrations. Added mutiple probe handling.
(profile_derived_probe::emit_registrations_end): Handles cleanup
details of multiple probe registrations.
(profile_derived_probe_group::emit_module_init): New function that
outputs probes create and destroy functions.
(mark_derived_probe::emit_registrations_start): Renamed from
emit_registrations. Added mutiple probe handling.
(mark_derived_probe::emit_registrations_end): Handles cleanup
details of multiple probe registrations.
(mark_derived_probe_group::emit_module_init): New function that
outputs probes create and destroy functions.
(hrtimer_derived_probe::emit_registrations_start): Renamed from
emit_registrations. Added mutiple probe handling.
(hrtimer_derived_probe::emit_registrations_end): Dummy function.
(hrtimer_derived_probe_group::emit_module_init): New function that
outputs probes create and destroy functions.
(derived_probe_group_container::emit_module_init): Added function
to call all probe group's emit_module_int functions.
(derived_probe_group_container::emit_module_init_call): Added
function to handle probe group initialization cleanup.
(derived_probe_group_container::emit_module_exit): Added
function to handle probe group cleanup.
Add basic support for initialized globals.
* parse.cxx (parse_global): Parse initialization clause, implement
by rewriting to "probe begin { var = value }".
* parse.h: Corresponding changes.
* stap.1.in: Document optional initialization.
2006-09-06 Frank Ch. Eigler <fche@elastic.org>
* parseok/eighteen.stp, semok/twentythree.stp: New files for
testing initialized globals.
Improve unresolved target-symbol error messages.
* staptree.h (target_symbol): Add new field saved_conversion_error.
* elaborate.cxx (typeresolution_info::visit_target_symbol): Throw
that if found instead of generic error.
* tapsets.cxx (t_v_f_c_v::visit_target_symbol): Set it.
dsmith [Mon, 28 Aug 2006 17:59:50 +0000 (17:59 +0000)]
2006-08-28 David Smith <dsmith@redhat.com>
* translate.cxx: Added inclusion of session.h.
(translate_pass): Instead of asking each probe to emit itself, we
ask the session's probes member variable to emit all the probes.
* tapsets.cxx: Added inclusion of session.h. Added a
register_probe member function to all derived_probe based
classes. Added a derived_probe_group derived class for all probe
types:
(be_derived_probe_group): New class.
(never_derived_probe_group): New class.
(dwarf_derived_probe_group): New class.
(timer_derived_probe_group): New class.
(profile_derived_probe_group): New class.
(mark_derived_probe_group): New class.
(hrtimer_derived_probe_group): New class
(derived_probe_group_container): New class.
* elaborate.h: Removed inclusion of session.h since session.h now
includes elaborate.h.
(derived_probe): Added register_probe member function.
(derived_probe_group): Added class definition. This is the base
class of all of the derived probe groups - dwarf, timer, etc.
(derived_probe_group_container): Added class definition. An
instance of this class will be stored in the session and contain
all the other probe groups.
* elaborate.cxx (derived_probe_group::register_probe): Added
derived_probe_group::register_probe stubs.
(alias_derived_probe::register_probe): Added register_probe member
function.
(semantic_pass_symbols): After deriving a probe, the probes now
register themselves with the session.
* session.h: Includes elaborate.h to get
derived_probe_group_container definition. systemtap_session class
'probes' member variable switched from a vector of derived probes
to a derived_probe_group_container.
* buildrun.cxx: Added inclusion of session.h since it was removed
from elaborate.h.
* main.cxx: Added inclusion of session.h since it was removed
from elaborate.h.
* parse.h: Added forward struct declarations.
* staptree.h: Removed inclusion of session.h.
jistone [Wed, 23 Aug 2006 20:54:03 +0000 (20:54 +0000)]
2006-08-23 Josh Stone <joshua.i.stone@intel.com>
PR 3093
From Eugeniy Meshcheryakov <eugen@debian.org>:
* main.cxx (main): Use setenv instead of putenv, since gcc 4.2
doesn't like assigning string constants to char*. Also use
const char* for result from getenv.
* tapsets.cxx (dwflpp::setup): Copy string constant into a
local array, to fix gcc 4.2 warning.
guanglei [Wed, 23 Aug 2006 09:05:29 +0000 (09:05 +0000)]
vfs.stp:
New tapset from Thomas Zanussi(trz@us.ibm.com) to probe vfs layer activities.
nfs.stp:
New tapset from Li Xuepeng(xuepengl@cn.ibm.com) to probe nfs file operations
and nfs address space operations on client side.
nfs_proc.stp:
New tapset from Li Xuepeng to probe some nfs RPC procedure stub functions
on client side.
nfsd.stp:
New tapset from Li Xuepeng to probe nfs server side activities, including
some RPC procedure stub functions, nfsd dispatch routine, and nfsd_* functions
jistone [Tue, 22 Aug 2006 20:55:59 +0000 (20:55 +0000)]
2006-08-22 Josh Stone <joshua.i.stone@intel.com>
PR 3094
From Eugeniy Meshcheryakov <eugen@debian.org>:
* stap.1.in: In groff, '-' produces a Unicode hyphen. Use '\-'
where a plain-old minus sign is desired, e.g., code examples.
* lket.5.in, stapex.5.in, stapfuncs.5.in, stapprobes.5.in: ditto
git://sourceware.org / systemtap.git / log