* aux_syscalls.stp (_struct_timeval): Removed. No longer
necessary now that we have structure access in scripts.
(_struct_timespec): Ditto.
(_struct_itimerval): Ditto.
(_struct_timezone_u): Remove random CATCH_DEREF_FAULT()
line.
(_stp_sigset_str): New.
(_struct_sigaction_u): New.
fche [Thu, 4 Oct 2007 03:21:00 +0000 (03:21 +0000)]
2007-10-03 Frank Ch. Eigler <fche@elastic.org>
PR 5102
* translate.cxx (visit_statement): Add new parameter regarding whether
c->last_stmt needs to be updated. Update callers, mostly passing
"false".
(visit_EXPRESSIONTYPE): Generally omit setting c->last_stmt, unless
the construct can set c->last_error.
fche [Tue, 2 Oct 2007 21:41:06 +0000 (21:41 +0000)]
PR 3635: reduce number of global objects
2007-10-02 Frank Ch. Eigler <fche@redhat.com>
PR 3635
* translate.cxx (emit_global): Wrap all globals and locks into one
top-level struct. Update references to former "global_VAR" prefix.
* translate.h (emit_global_init): New function.
fche [Tue, 2 Oct 2007 17:44:25 +0000 (17:44 +0000)]
2007-10-02 Frank Ch. Eigler <fche@redhat.com>
PR 5078
* tapsets.cxx (be_derived_probe): Rework to add error probe support.
Emit probe description array in C for traversal by generated code.
* register_standard_tapsets: Add error probes.
* stapprobes.5.in: Document.
* translate.cxx (emit_module_init): Handle errors that may occur
during begin probes.
(emit_module_exit): Use schedule() rather than cpu_relax() during
shutdown synchronization wait loop.
* staptree.cxx (probe::printsig): Put multiple probe points on same
line.
2007-10-02 Frank Ch. Eigler <fche@redhat.com>
PR 5078
* semok/twentysix.stp, systemtap.base/beginenderror.*: New tests.
* aux_syscalls.stp (_stp_lookup_str, _stp_lookup_or_str):
New functions to efficiently and safely read arrays of values
and return a string.
(_signal_name): Reimplement using _stp_lookup_str().
(_semctl_cmd): Ditto.
(__fork_flags): Ditto.
(_mmap_flags): Ditto.
(_mprotect_prot_str): Ditto.
(_shmat_flags_str): Ditto.
(_at_flag_str): Ditto.
(get_mmap_args): Complete rewrite for safety and correctness.
From Cai Fei <caifei@cn.fujitsu.com>
* rpc.stp (sunrpc.clnt.shutdown_client): Add argument progname's
definition for probe sunrpc.clnt.shutdown_client, because it
is in the man page but not defined in tapset.
From Cai Fei <caifei@cn.fujitsu.com>
* rpc.stp (sunrpc.clnt.call_sync, sunrpc.clnt.call_async): Fix
the output format of flags in argstr from hex to decimal just
to make it same as other probes.
Specified explicit types for __find_bdevname() parameters and return value. The types could not be determined correctly when __find_bdevname() was used in nfs.stp
Added __page_index() to work around problem dereferencing unions in stap language.
Made generic.fop.sendfile conditional on kernel <= 2.6.22. generic_file_sendfile() was removed in 2.6.23.
From Lai Jiangshan <laijs@cn.fujitsu.com>
* syscall.stp (syscall.brk): Add probe point
kernel.function("ia64_brk").
* syscall.stp (syscall.mremap): Add probe point
kernel.function("ia64_mremap").
From Lai Jiangshan <laijs@cn.fujitsu.com>
* syscall.stp (syscall.brk): Add probe point
kernel.function("ia64_brk")
* syscall.stp (syscall.mremap): Add probe point
kernel.function("ia64_mremap")
PR 3916
* buildrun.cxx (compile_pass): Add new autoconf options for checking
time related APIs.
* time.c (stp_time_t): Rename cpufreq to freq.
(__stp_get_freq): Rename from __stp_estimate_cpufreq. Use tsc_khz or
cpu_khz if it is available. Use itc_freq on ia64.
(__stp_ktime_get_real_ts): New function to get current kernel time.
(__stp_time_timer_callback): Call __stp_ktime_get_real_ts to get
base time.
(__stp_init_time): Ditto.
(__stp_constant_freq): New function to check the processor has
constant frequency timestamp counter.
(_stp_kill_time): Don't use the cpufreq notifier if the processor has
constant frequency timestamp counter.
(_stp_init_time): Ditto.
* autoconf-ktime-get-real.c : New file.
* autoconf-constant-tsc.c: Ditto.
* autoconf-tsc-khz.c: Ditto.
2007-09-21 Martin Hunt <hunt@redhat.com>
PR 5024
* stat-common.c (_stp_stat_print_histogram): Change
overflow and underflow handling for linear histograms.
(__stp_stat_add): For linear histograms, use under
and over buckets.
From Lai Jiangshan <laijs@cn.fujitsu.com>
* aux_syscalls.stp (_sys_open_flag_str): Fix bug that missing
"O_ASYNC".
From Lai Jiangshan <laijs@cn.fujitsu.com>
* aux_syscalls.stp: Add a function _mremap_flags.
* syscalls.stp (syscall.mremap): Use _mremap_flags instead of
_mmap_flags.
2007-09-19 Martin Hunt <hunt@redhat.com>
PR 4931
* test-debug.tcl (cleanup): Remove print.
* README: Update.
* syscall.exp: Source test.tcl and call run_one_test()
from there.
* test.tcl: Rewrite as a function. Do compilation
as well as testing. Compile into and execute in
a directory in /tmp.
2007-09-19 Martin Hunt <hunt@redhat.com>
PR 5042
* procfs.c (_stp_rmdir_proc_module): Warn if removal of
/proc/systemtap/module is deferred. Do not defer removal of
/proc/systemtap.
(_stp_mkdir_proc_module): Call path_release(). Set ownership of
/proc/systemtap/module to force deletion to be deferred.
(_stp_create_procfs): Set owner of all path components.
From Lai Jiangshan <laijs@cn.fujitsu.com>
* ia64/syscalls.stp Add a probe point syscall.sigaltstack for
ia64.
* signal.stp(signal.force_segv) Add a part(force_sigsegv_info)
for signal.force_segv.
* iostat-scsi.stp: Make module probe optional,clarify reference to flags.
* small_demos/sched_snoop.stp(scheduler.migrage,scheduler.balance): Make optional.
git://sourceware.org / systemtap.git / log