| Commit message (Collapse) | Author | Age | Files | Lines |
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* systemtap.base/marker.exp: Improved regexp that finds markers
with arguments.
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PR5152
* scheduler.stp (scheduler.ctxswitch): Change probe point __switch_to
to context_switch on ia64.
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Even though the mkdtemp() man page indicates that the
directory will be created with always 0700 permissions,
it is actually affected by the process's umask.
So, if you run stap with an unusual umask it can end
up creating the temp dir with permissions that
staprun can't handle e.g.:
$> rpm -q systemtap
systemtap-0.6-1.fc9
$> umask 0122
$> stap -e 'probe begin { println("foo") exit() }'
ERROR: Error opening '/tmp/stapV4pBIb/stap_725b9bc541cef2618a5ccbc58bb64d15_287.ko': Permission denied
Obvious solution is to briefly set the umask to zero
in stap so as to ensure 0700 permissions.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
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jmps and calls that use rip-relative addressing. Allow probing
of opcode 0x63.
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From Yang Zhiguo <yzgcsu@cn.fujitsu.com>
* signal.stp (_signal.send.part3.return): Correct name variable.
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From Yang Zhiguo <yzgcsu@cn.fujitsu.com>
* aux_syscalls.stp (_struct_sigaction_u): Delete overlaped
SA_SIGINFO from _stp_sa_flags_list[].
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From Yang Zhiguo <yzgcsu@cn.fujitsu.com>
* aux_syscalls.stp (_futex_op_str): Add new futex options.
(_stp_fork_list[]): Add new clone flags.
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* syscalls.stp (get_mempolicy): Fix syntax. Add prototype.
(kexec_load): Ditto.
(mbind): Ditto.
(move_pages): Ditto.
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From Yang Zhiguo <yzgcsu@cn.fujitsu.com>
* Add new address family to _fam_num2str: IUCV and RXRPC.
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From Bai Weidong <baiwd@cn.fujitsu.com>
* syscalls.stp: Add missed compat* probes in syscalls.stp.
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* stap.1.in: Document about relay buffer sharing.
* NEWS: Document about relay buffer sharing and staplog crash extension.
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* syscalls2.stp (compat_sys_ptrace): Remove for now.
Utrace-patched kernels have a different compat_sys_ptrace().
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Detect crashing stap and report as a test failure.
* lib/systemtap.exp (stap_run_batch): Return -1 if stap
crashed.
* systemtap.pass1-4/buildko.exp: If stap_run_batch returned
-1 then mark test as failed.
* systemtap.pass1-4/parseko.exp: Ditto.
* systemtap.pass1-4/semko.exp: Ditto.
* systemtap.pass1-4/transko.exp: Ditto.
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PR 5470
* parse.cxx (parser::parse_probe_point): Add checking pointer t.
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PR5368
* relay_old.c (init_oldrelayfs): Don't start threads
if load_only.
* relay.c (init_relayfs): Ditto.
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2007-12-11 Frank Ch. Eigler <fche@elastic.org>
* staptree.cxx, staptree.h: More GCC 4.3 build fixes from
Eugeniy Meshcheryakov <eugen@debian.org>.
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From Yang Zhiguo <yzgcsu@cn.fujitsu.com>
* syscalls2.stp: Add missed compat* probes in syscalls2.stp.
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From Yang Zhiguo <yzgcsu@cn.fujitsu.com>
* syscalls2.stp: Add missed compat* probes in syscalls2.stp.
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From Bai Weidong <baiwd@cn.fujitsu.com>
* aux_syscalls.stp (__sem_flags): Add the missed mode display,
Fix calculation error when string is empty.
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* systemtap.spec.in: Correct Source to point to location contain code.
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PR 4935
* tapsets.cxx (dwarf_derived_probe::dwarf_derived_probe): Allow user
to access kernel variables in the condition of probe points.
* stapprobes.5.in : Document the conditional probe point.
* NEWS : Ditto.
* parseok/five.stp: Add an example of conditional probe point.
* parseko/probepoint04.stp: New test for conditional probe point.
* parseko/probepoint05.stp: Ditto.
* parseko/probepoint06.stp: Ditto.
* parseko/probepoint07.stp: Ditto.
* parseko/probepoint08.stp: Ditto.
* parseko/probepoint09.stp: Ditto.
* semok/twentynine.stp: Ditto.
* semko/thirtynine.stp: Ditto.
* systemtap.base/onoffprobe.*: Ditto.
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PR 5376
* parse.cxx (lexer::scan): Treat '*' as an alphabet if the wildcard
flag is true.
(parser::parse_probe_point): Call parser::next() with wildcard = true.
(parser::scan_pp): Add wildcard flag and pass it to lexer::scan.
(parser::next): Ditto.
(parser::peek): Ditto.
* parse.h : Ditto.
* testsuites/perseko/twentytwo.stp: Change testcase to the wildcarded
probe points with spaces.
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* gen-stapmark.h, stapmark.h: Retire.
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From Julio M. Merino Vidal <jmmv@NetBSD.org>:
Include libcap-devel in named build dependencies (for <capability.h>).
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* systemtap.base/marker.exp: Gets marker list from
Module.markers. K_MARKER03 is always run since it is designed to
fail.
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* tapsets.cxx (mark_derived_probe::initialize_probe_context_vars):
Handles the case where one marker has more than one string
argument.
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* semok/twentyeight.stp: Tests wildcarded probe points.
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PR 5377.
* elaborate.cxx (match_node::find_and_build): Handle wildcards in
probe points correctly.
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2007-11-26 Frank Ch. Eigler <fche@elastic.org>
* elaborate.cxx (derived_probe ctor): Don't duplicate condition
if it doesn't exist.
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From Bai Weidong <baiwd@cn.fujitsu.com>
* syscalls2.stp (rt_sigsuspend): Fix the semantic error caused by
the difference of kernel versions on IA64.
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PR 4935.
* parse.cxx (parser::parse_probe_point): Parse "if" condition
following probe point.
* staptree.h (probe_point): Add "condition" field.
(probe): Add "condition" field and "add_condition" method.
(deep_copy_visitor): Add "deep_copy" method for the expression.
* staptree.cxx (probe_point::probe_point): Initalize it.
(probe::add_condition): Implement it.
(probe::print): Output "condition" field.
(probe::str): Ditto.
(deep_copy_visitor::deep_copy): Implement it.
* elaborate.h (derived_probe): Add "insert_condition_statement"
method.
* elaborate.cxx (derived_probe::derived_probe): Initialize "condition"
field, and insert a condition check routine on the top of body.
(derived_probe::insert_condition_statement): Implement it.
(alias_expansion_builder::build): Pass the condition from the alias
referer to new alias.
* tapsets.cxx (be_derived_probe): Remove unused constructor.
(dwarf_derived_probe::dwarf_derived_probe): Insert a condition check
routine on the top of body.
(mark_derived_probe::mark_derived_probe): Ditto.
(mark_builder::build): Pass the base location to mark_derived_probe.
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2007-11-19 Frank Ch. Eigler <fche@elastic.org>
PR 3887.
* staptree.h (probe_point): Add "sufficient" field.
* staptree.cxx: Initialize it, print it.
* parse.cxx (parse_probe_point): Parse it.
* elaborate.cxx (derive_probes): Implement it.
* stapprobes.5.in: Document it.
* NEWS: Gloat about it.
* parseok/five.stp, semok/twentyseven.stp: Test "!" probe point flag.
* iostat-scsi.stp: Adopt "!" probe point flag.
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* tapsets.cxx (mark_derived_probe::initialize_probe_context_vars):
Updated to work with latest LTTNG patch
patch-2.6.24-rc2-lttng-0.10-pre23.tar.bz2.
(mark_derived_probe_group::emit_module_decls): Ditto.
(mark_derived_probe_group::emit_module_init): Ditto.
(mark_derived_probe_group::emit_module_exit): Ditto.
* translate.cxx (c_unparser::emit_common_header): Ditto.
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* tapsets.cxx: Removed mark_query structure.
(mark_derived_probe::mark_derived_probe): Just looks for "kernel"
marker probes.
(mark_builder::build_no_more): No longer kern_dw, instead clears
the marker cache.
(mark_builder::build): Now parses Module.markers file to find
marker list and stores them in a cache.
(register_standard_tapsets): Removed 'module("foo").mark("bar")'.
All markers now go through 'kernel.mark("bar")'.
* stapprobes.5.in (parts): Updated marker text.
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* systemtap.base/marker.exp: Removed 'module("foo").mark("bar")'
tests since that facility was removed.
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* main.cxx: Restored initialization of need_uprobes flag,
mistakenly backed out in PR 5270 fix.
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* stapfuncs.5.in (tokenize): Change NULL to blank to avoid
misunderstanding.
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* stapfuncs.5.in (tokenize): Change NULL to blank to avoid
misunderstanding.
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From Lai Jiangshan <laijs@cn.fujitsu.com>
* signal.stp (signal.do_action): Call __get_action_mask to get mask
to fix semantic error of accessing a struct.
* signal.stp (__get_action_mask): Add.
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From Cai Fei <caifei@cn.fujitsu.com>
* regs-ia64.c (ia64_fetch_register): Fix the bug of fetching
register 12 on IA64.
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From Cai Fei <caifei@cn.fujitsu.com>
* regs-ia64.c (ia64_fetch_register): Fix the bug of fetching
register 12 on IA64.
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* main.cxx: Restored pre-10-08 version: moved uprobes build to
buildrun.cxx.
* buildrun.cxx: Reworked uprobes build so that the resulting
Module.symvers can be used in building the stap-generated
module. If user isn't root, call verify_uprobes_uptodate()
rather than trying (and failing) to rebuild uprobes.ko.
* buildrun.h: uprobes_enabled() and make_uprobes() are no
longer extern.
* runtime/uprobes/Makefile: Added uprobes.ko target for use
by verify_uprobes_uptodate().
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* stap.1.in: Replaced references to the log() function.
* stapex.5.in: Ditto.
* stapfuncs.5.in: Ditto. ALso remove print and printf. They are
documented in stap.1.in.
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* systemtap.base/*.stp: Replace log() calls with
println() (or printf() if formatting would help.)
* systemtap.maps/*.stp: Ditto.
* systemtap.samples/*.stp: Ditto.
* systemtap.stress/*.stp: Ditto.
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* logging.stp (print_char): Remove. Now implemented by
stap.
(log): Add a comment that it is deprecated.
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* print.c (_stp_print): Rewrite to eliminate the strlen()
call and save a bit of time.
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