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11 Commits

Author SHA1 Message Date
Zoltan Somogyi
9095985aa8 Fix more warnings from --warn-inconsistent-pred-order-clauses. 
deep_profiler/*.m:
    Fix inconsistencies between (a) the order in which functions and predicates
    are declared, and (b) the order in which they are defined.

    In most modules, either the order of the declarations or the order
    of the definitions made sense, and I changed the other to match.
    In some modules, neither made sense, so I changed *both* to an order
    that *does* make sense (i.e. it has related predicates together).

    In query.m, put the various commands in the same sensible order
    as the code processing them.

    In html_format.m, merge two exported functions together, since
    they can't be used separately.

    In some places, put dividers between groups of related
    functions/predicates, to make the groups themselves more visible.

    In some places, fix comments or programming style.

deep_profiler/DEEP_FLAGS.in:
    Since all the modules in this directory are now free from any warnings
    generated by --warn-inconsistent-pred-order-clauses, specify that option
    by default in this directory to keep it that way.
 2017-04-30 15:48:13 +10:00
Zoltan Somogyi
270170416d Bring the style of deep_profiler/* up-to-date. 
deep_profiler/*.m:
    Replace ( C -> T ; E ) if-then-elses with (if C then T else E ).

    Replace calls to error/1 with calls to unexpected/3.

    Add some module qualifications where this makes the code easier to read.
 2015-07-15 15:30:22 +02:00
Zoltan Somogyi
599e1c2fdb Implement the proc command of the deep profiler using the report mechanism. 
Estimated hours taken: 16
Branches: main

Implement the proc command of the deep profiler using the report mechanism.

Some of the detailed changes also address Paul's post-commit review of my
previous diff.

deep_profiler/report.m:
	Define the representation of the proc report.

	Change some names to be more consistent.

deep_profiler/profile.m:
	Add a type for use in report.m.

	Document the fields of an existing type.

deep_profiler/create_report.m:
	Add code to create proc reports.

	Change some names to be more consistent.

	Fix a bug: avoid divide by zero exceptions in some rare cases.

deep_profiler/measurement units.m:
	Fix a bug: avoid divide by zero exceptions in some rare cases.

deep_profiler/display_report.m:
	Add the code for converting proc reports to displays. This required
	rewriting almost everthing in this module to remove the assumption,
	which was previously embedded in many places, that the code is part
	of the implementation of the top_procs command. The new code is
	separated into two parts; the command-specific parts, and the parts
	that should be usable for all commands. (The reusable part is much
	bigger.)

deep_profiler/display.m:
	Expand the display representation to allow the specification of

	- plain text as distinguished from headings
	- paragraph breaks
	- pseudo-links, i.e. text fragments that are formatted like links
	- table separator rows
	- table cells that span more than one column

	which are used in the new version of display_report.m.

	Simplify the mechanism for setting up table header groups.

deep_profiler/html_format.m:
	Handle the changes in display.m.

	Fix some anomalies in the formatting of lists and tables.

	Group related code together.

deep_profiler/query.m:
	Provide a switch for selecting which of the two mechanisms,
	the old direct generation of HTML or the new indirect generation
	through the report and display structures, should generate the HTML
	page for a command that both mechanisms can implement. The default
	is the new mechanism, but it can be overridden by implementors
	by creating a file called "/tmp/old_deep_profiler".

	Switch the default handling of the proc command over to the new
	mechanism.

	Rename some types and function symbols to make them more consistent
	and expressive.

	Generate more informative error messages for domain error exceptions.

deep_profiler/mdprof_cgi.m:
	Add a mechanism for decoding the links in the generated pages.
	The mechanism takes the form of three new options: --decode,
	--decode-cmd, and --decode-prefs. When one or more of these are given,
	mdprof_cgi will not do its usual stuff, instead of just loops waiting
	for lines whose contents it will then try to decode as queries,
	as commands and/or as preferences.

deep_profiler/Mercury.options:
	Try to postpone thrashing in the deep compiler when compiled in
	debug grades, by compiling their contents with shallow tracing.

deep_profiler/array_util.m:
	Make shallow tracing effective by moving the deep recursions
	into non-exported predicates.

deep_profiler/callgraph.m:
deep_profiler/canonical.m:
deep_profiler/startup.m:
	Convert the debugging code to use trace goals.

deep_profiler/cliques.m:
deep_profiler/read_profile.m:
	Convert the debugging code to use trace goals.

	Use more expressive names for lots of variables.

	In read_profile.m, avoid an unnecessary repackaging of data.

deep_profiler/util.m:
	Fix some grammar errors in a comment, and comment some code to use
	state variables.

deep_profiler/interface.m:
	Fix some grammar errors in a comment.

deep_profiler/mdprof_feedback.m:
	Change some variable names to be consistent with the other modules.

library/float.m:
library/int.m:
	Make the messages in the domain errors we throw more expressive.

library/io.m:
	Minor style changes.
 2008-08-18 02:14:59 +00:00
Zoltan Somogyi
03035ad2e6 Convert Paul's new code to use cords of strings to represent HTML. 
Estimated hours taken: 6
Branches: main

Convert Paul's new code to use cords of strings to represent HTML.

deep_profiler/html_format.m:
	Convert to using cords. Restructure the code in a couple of places
	to always put start and end tags around HTML fragments together.

	Fix a missing "=" in a tag.

deep_profiler/interface.m:
deep_profiler/mdprof_cgi.m:
deep_profiler/read_profile.m:
	Provide better diagnostics.

deep_profiler/create_report.m:
deep_profiler/display.m:
deep_profiler/display_report.m:
deep_profiler/mdprof_feedback.m:
deep_profiler/measurement_units.m:
deep_profiler/query.m:
deep_profiler/report.m:
mdbcomp/feedback.m:
	Misc cleanups. They can be considered my post-commit review of Paul's
	diff.

	In mdprof_feedback.m, delete a strange test that prevented the program
	from being used from the command line.

deep_profiler/dump.m:
deep_profiler/mdprof_dump.m:
deep_profiler/timeout.m:
deep_profiler/util.m:
	Misc cleanups of old code.
 2008-08-04 03:17:55 +00:00
Julien Fischer
b4c3bb1387 Clean up in unused module imports in the Mercury system detected 
Estimated hours taken: 3
Branches: main

Clean up in unused module imports in the Mercury system detected
by --warn-unused-imports.

analysis/*.m:
browser/*.m:
deep_profiler/*.m:
compiler/*.m:
library/*.m:
mdbcomp/*.m:
profiler/*.m:
slice/*.m:
	Remove unused module imports.

	Fix some minor departures from our coding standards.

analysis/Mercury.options:
browser/Mercury.options:
deep_profiler/Mercury.options:
compiler/Mercury.options:
library/Mercury.options:
mdbcomp/Mercury.options:
profiler/Mercury.options:
slice/Mercury.options:
	Set --no-warn-unused-imports for those modules that are used as
	packages or otherwise break --warn-unused-imports, e.g. because they
	contain predicates with both foreign and Mercury clauses and some of
	the imports only depend on the latter.
 2006-12-01 15:04:40 +00:00
Zoltan Somogyi
a9a2825ace Replace __ with . as the module qualifier everywhere in all the modules 
Estimated hours taken: 0.5
Branches: main

profiler/*.m:
deep_profiler/*.m:
compiler/*.m:
	Replace __ with . as the module qualifier everywhere in all the modules
	of the profiler and deep profiler and in some modules of the compiler.
 2006-03-09 04:56:47 +00:00
Julien Fischer
2c686ea193 Convert the rest of the deep profiler to four-space indentation. 
Estimated hours taken: 1.5
Branches: main

Convert the rest of the deep profiler to four-space indentation.
There are no changes to any algorithms (other than introducing state
variables in a few spots).

Remove an old bug workaround.

deep_profiler/*.m:
	Convert to four-space indentation where that has not already
	been done.

	Fix some bad line breaks.

	Use state variables in a few places.

	Reposition comments according to our current coding standard.

deep_profiler/Mercury.options:
	Remove some old bug workarounds.
 2005-11-08 08:12:40 +00:00
Julien Fischer
4083fe5bf2 Cleanup the deep profiler. 
Estimated hours taken: 1
Branches: main

Cleanup the deep profiler.
There are no changes to any algorithms.

deep_profiler/*.m:
	Switch to state variable notation throughout.  Rearrange
	the order of some procedure arguments to facilitate this.

	Remove some unnecessary module imports.

	Reformat comments according to our current coding standard.

	Update comments that refer to modules that no longer exist.
 2005-06-23 08:21:29 +00:00
Zoltan Somogyi
69d84ff1bb Import only one module per line. Misc other updates to bring these 
Estimated hours taken: 1
Branches: main

profiler/*.m:
deep_profiler/*.m:
	Import only one module per line. Misc other updates to bring these
	modules closer to being up to date with our current style guidelines.
 2005-03-24 01:10:34 +00:00
Zoltan Somogyi
a9fed43d57 Major enhancements of the deep profiler. The most important ones are: 
Estimated hours taken: 80
Branches: main

Major enhancements of the deep profiler. The most important ones are:

- The addition of several new classes of preferences, including: the use of
  colour, boxing, sorting, summarizing of higher order call sites, and time
  formats.

- Making preferences persistent across different queries, so that once a
  preference is set, it "sticks" until the user changes it. Previously,
  preferences stuck during query sequences of the same command type.

- Several new command types:

	- listing all the modules of the program
	- listing all the procedures in a module
	- listing all the callers of a procedure,
		grouped by calling call site, procedure, module, or clique,
		and filtering out certain classes of ancestors
	- jumping into the call graph close to the action
	- restarting the server (useful when the data file changes)

- New optional columns showing time per call, allocations per call and words
  allocated per call.

- Can now display memory consumption in bytes as well as words.

- More robustness in the face of external events, e.g. machine shutdowns.

- Fix a bug reported by Tom in the summaries of procedures that make higher
  order calls.

The new functionality required adding some fields to ProcStatic structures;
as a result, compilers and runtime systems that have this change are
incompatible with compilers and runtime systems before this change in deep
profiling grades. (They of course remain compatible in other grades.)

compiler/deep_profiling.m:
compiler/layout.m:
compiler/layout_out.m:
	Add two new fields to ProcStatic structures, one giving the line number
	of procedure's context and one stating whether the procedure is
	exported from its module.

compiler/layout.m:
	Be consistent about filename vs file_name in field names.

compiler/*.m:
	Minor changes to handle the new fields.

deep_profiler/interface.m:
	Define new command types, modify some of the parameters of existing
	ones, and delete obsolete ones. Define the types and predicates used
	by the new system of preferences, Update the predicates for recognizing
	and generating queries accordingly.

	Make the order of declarations and definitions more consistent.

deep_profiler/split.m:
	Complete rewrite of the only predicate of this module. The old split
	predicate deleted any empty substrings resulting from the breakup of
	the original string. The new one preserves them, because they are
	needed by the new encoding scheme used in interface.m.

deep_profiler/query.m:
	New module, containing code dealing with the computational issues of
	queries. Some of its code is old (from server.m), much of it is new.

deep_profiler/html_format.m:
	New module, containing code dealing with HTML formatting. Some of its
	code is old (from server.m), much of it is new.

deep_profiler/top_procs.m:
	New module, containing code dealing with issues involving sorting
	by various criteria. Some of its code is old (from server.m),
	much of it is new.

deep_profiler/exclude.m:
	New module to handle contour exclusion. This means that when listing
	the callers of a procedure, we display the nearest parent that is *not*
	excluded by virtue of being in a given module. The set of modules so
	excluded forms a contour drawn through the program.

deep_profiler/mdprof_cgi.m:
deep_profiler/mdprof_server.m:
deep_profiler/server.m:
	Minor changes to adapt to the new system of preferences.

deep_profiler/array_util.m:
	Add a mode to foldl2.

deep_profiler/io_combinator.m:
	Add predicates for reading in sequences of ten things.

deep_profiler/measurements.m:
	Add a function needed by new code.

deep_profiler/timeout.m:
	Make the profiler robust in the face of signals.

deep_profiler/canonical.m:
	Some more work towards working canonicalization; not there yet.

	Move some procedures to profile.m, since other modules also need them
	now.

deep_profiler/profile.m:
	Add the new fields to ProcStatic structures.

	Record the word size.

	Record more information about procedures whose activation counters are
	ever zeroed, in order to allow query.m to avoid giving misleading
	information in cases where a procedure calls itself through a higher
	order call site.

	Record information about the modules of the program.

	Add a bunch of lookup predicates, some moved from canonical.m.

deep_profiler/call_graph.m:
	Minor changes to conform to changes in profile.m.

deep_profiler/startup.m:
	Fill in the new parts of the profile data structure.

deep_profiler/read_profile.m:
	Read the new fields in ProcStatic structures.

	Read in the id of the root node as a fixed part of the header,
	not as a node.

	Read in the word size.

	Make it easier to find all the debugging output sites.

	Record, for each call site which can call more than one procedure,
	whether this causes the caller's ProcStatic structure's activation
	count to be zeroed.

runtime/mercury_deep_profiling.h:
	Add the new fields to ProcStatic structures.

runtime/mercury_deep_profiling.c:
	Write out the new fields to ProcStatic structures.

	Write out the id of the root node as a fixed part of the header,
	not as a node.

	Write out the word size.

	Remove incorrect L suffixes on constants.

	Record that the artificial procedure "parent of main" is called once,
	not zero times, to avoid division by zero when computing per-call
	statistics.

runtime/mercury_deep_profiling_hand.h:
	Add the new fields to the macros for creating ProcStatic structures.

runtime/mercury_ho_call.c:
library/array.m:
library/builtin.m:
library/exception.m:
library/std_util.m:
	Add the new fields to the invocations of those macros.
 2001-07-03 08:16:33 +00:00
Zoltan Somogyi
04e614485d Implement deep profiling; merge the changes on the deep2 branch back 
Estimated hours taken: 500
Branches: main

Implement deep profiling; merge the changes on the deep2 branch back
onto the trunk.

The main documentation on the general architecture of the deep profiler
is the deep profiling paper.

doc/user_guide.texi:
	Document how to use the deep profiler.

deep_profiler:
deep_profiler/Mmakefile:
	A new directory holding the deep profiler and its mmakefile.

Mmakefile:
	Add targets for the new directory.

	Add support for removing inappropriate files from directories.

deep_profiler/interface.m:
	The deep profiler consists of two programs: mdprof_cgi.m, which acts
	as a CGI "script", and mdprof_server.m, which implements the server
	process that the CGI script talks to. Interface.m defines the
	interface between them.

script/mdprof.in:
	A shell script template. ../configure uses it to generate mdprof,
	which is a wrapper around mdprof_cgi that tells it how to find
	mdprof_server.

deep_profiler/mdprof_cgi.m:
	The CGI "script" program.

deep_profiler/mdprof_server.m:
	The top level predicates of the server.

deep_profiler/profile.m:
	The main data structures of the server and their operations.

deep_profiler/read_profile.m:
	Code for reading in profiling data files.

deep_profiler/startup.m:
	Code for post-processing the information in profiling data files,
	propagating costs from procedures to their ancestors and performing
	various kinds of summaries.

deep_profiler/server.m:
	Code for responding to requests from the CGI script.

deep_profiler/cliques.m:
	Code to find cliques in graphs.

deep_profiler/array_util.m:
deep_profiler/util.m:
	Utility predicates.

deep_profiler/dense_bitset.m:
	An implementation of (part of) the set ADT with dense bit vectors.

deep_profiler/measurements.m:
	Operations on profiling measurements.

deep_profiler/timeout.m:
	An implementation of a timeout facility.

deep_profiler/conf.m:
	Functions that depend on autoconfigured settings.

configure.in:
	Find out what command to use to find the name of the local host.

	Install deep profiling versions of the standard library along with the
	other profiling versions.

runtime/mercury_conf.h.in:
	Add some macros for deep_profiler/conf.m to use.

library/profiling_builtin.m:
runtime/mercury_deep_call_port_body.h:
runtime/mercury_deep_leave_port_body.h:
runtime/mercury_deep_redo_port_body.h:
	A new library module that implements deep profiling primitives.
	Some of these primitives have many versions, whose common code is
	factor is factored out in three new include files in the runtime.

compiler/deep_profiling.m:
	New module to perform the program transformations described in the
	paper.

compiler/notes/compiler_design.html:
	Document the new compiler module.

compiler/mercury_compiler.m:
	Invoke the new module in deep profiling grades. Allow global static
	data to be generated by deep_profiling.m.

compiler/options.m:
	Add options to turn on deep profiling and (for benchmarking purposes)
	control its implementation.

	Add an optiooption disable tailcall optimization in the LLDS backend,
	to help benchmarking deep profiling.

compiler/jumpopt.m:
compiler/optimize.m:
	Obey the option to disable tailcalls.

compiler/handle_options.m:
	Handle the implications of deep profiling.

compiler/modules.m:
	In deep profiling grades, automatically import profiling_builtin.m.

compiler/prog_util.m:
doc/Makefile:
library/library.m:
	Handle the new builtin module.

compiler/export.m:
	In deep profiling grades, wrap deep profiling code around exported
	procedures to handle the "unscheduled call" aspects of callbacks to
	Mercury from the foreign language.

compiler/higher_order.m:
profiler/demangle.m:
util/demangle.c:
	When creating a name for a higher-order-specialized predicate, include
	the mode number in the name.

compiler/add_trail_ops.m:
compiler/type_util.m:
	Move c_pointer_type from add_trail_ops to type_util, so it can also be
	used by deep_profiling.m.

compiler/hlds_goal.m:
	Add a new goal feature that marks a tail call, for use by
	deep_profiling.m.

compiler/hlds_pred.m:
	Add a new field to proc_info structures for use by deep_profiling.m.

	Add a mechanism for getting proc_ids for procedure clones.

	Remove next_proc_id, an obsolete and unused predicate.

compiler/hlds_data.m:
	Add a new cons_id to refer to the proc_static structure of a procedure.

compiler/bytecode_gen.m:
compiler/code_util.m:
compiler/dependency_graph.m:
compiler/hlds_out.m:
compiler/mercury_to_mercury.m:
compiler/ml_unify_gen.m:
compiler/opt_debug.m:
compiler/prog_rep.m:
compiler/rl_exprn.m:
compiler/switch_util.m:
compiler/unify_gen.m:
	Trivial changes to handle the new cons_id, goal feature and/or
	proc_info argument.

compiler/rtti.m:
	Add a utility predicate for extracting pred_id and proc_id from an
	rtti_proc_label, for use by hlds_out.m

compiler/layout.m:
compiler/layout_out.m:
compiler/llds.m:
compiler/llds_common.m:
	Add support for proc_static and call_site_static structures.

compiler/layout_out.m:
compiler/llds_out.m:
	Add code for the output of proc_static structures.

compiler/code_util.m:
	Make code_util__make_proc_label_from_rtti a function, and export it.

util/mkinit.c:
compiler/llds_out.m:
compiler/layout.m:
compiler/modules.m:
	Add support for a fourth per-module C function, for writing out
	proc_static structures (and the call_site_static structures they
	contains).

	Since proc_static structures can be referred to from LLDS code (and not
	just from other static structures and compiler-generated C code),
	reorganize the declarations of static structures slightly.

	Change the schema for the name of the first per-module C function
	slightly, to make it the addition of the fourth function easier.
	The scheme now is:

		mercury__<modulename>__init
		mercury__<modulename>__init_type_tables
		mercury__<modulename>__init_debugger
		mercury__<modulename>__write_out_proc_statics

	Improve formatting of the generated C code.

library/*.m:
runtime/mercury.c:
runtime/mercury_context.c:
runtime/mercury_engine.c:
runtime/mercury_ho_call.c:
runtime/mercury_tabling.c:
runtime/mercury_trace_base.c:
runtime/mercury_wrapper.c:
trace/mercrury_trace.[ch]:
trace/mercrury_trace_declarative.c:
trace/mercrury_trace_external.c:
trace/mercrury_trace_internal.c:
	Conform to the new scheme for initialization functions for hand-written
	modules.

compiler/mercury_compile.m:
library/benchmarking.m:
runtime/mercury_conf_param.h:
runtime/mercury.h:
runtime/mercury_engine.c:
runtime/mercury_goto.c:
runtime/mercury_grade.h:
runtime/mercury_ho_call.c:
runtime/mercury_label.[ch]:
runtime/mercury_prof.[ch]:
	Add an MR_MPROF_ prefix in front of the C macros used to control the
	old profiler.

compiler/handle_options.m:
runtime/mercury_grade.h:
scripts/canonical_grade.sh-subr:
scripts/init_grade_options.sh-subr:
scripts/parse_grade_options.sh-subr:
	Make deep profiling completely separate from the old profiling system,
	by making the deep profiling grade independent of MR_MPROF_PROFILE_TIME
	and the compiler option --profile-time.

library/array.m:
library/builtin.m:
library/std_util.m:
runtime/mercury_hand_unify_body.h:
runtime/mercury_hand_compare_body.h:
	In deep profiling grades, wrap the deep profiling call, exit, fail
	and redo codes around the bodies of hand-written unification
	and comparison procedures.

	Make the reporting of array bounds violations switchable between
	making them fatal errors, as we currently, and reporting them by
	throwing an exception. Throwing an exception makes debugging code
	using arrays easier, but since exceptions aren't (yet) propagated
	across engine boundaries, we keep the old behaviour as the default;
	the new behaviour is for implementors.

runtime/mercury_deep_profiling_hand.h:
	New file that defines macros for use in Mercury predicates whose
	definition is in hand-written C code.

library/exception.m:
runtime/mercury_exception_catch_body.h:
runtime/mercury_stacks.h:
	In deep profiling grades, wrap the deep profiling call, exit, fail
	and redo codes around the bodies of the various modes of builtin_catch.

	Provide a function that C code can use to throw exceptions.

library/benchmarking.m:
library/exception.m:
library/gc.m:
library/std_util.m:
runtime/mercury_context.[ch]:
runtime/mercury_engine.[ch]:
runtime/mercury_debug.c:
runtime/mercury_deep_copy.c:
runtime/mercury_overflow.h:
runtime/mercury_regs.h:
runtime/mercury_stacks.h:
runtime/mercury_thread.c:
runtime/mercury_wrapper.c:
	Add prefixes to the names of the fields in the engine and context
	structures, to make code using them easier to understand and modify.

runtime/mercury_deep_profiling.[ch]:
	New module containing support functions for deep profiling and
	functions for writing out a deep profiling data file at the end of
	execution.

runtime/mercury_debug.[ch]:
	Add support for debugging deep profiling.

	Add support for watching the value at a given address.

	Make the buffered/unbuffered nature of debugging output controllable
	via the -du option.

	Print register contents only if -dr is specified.

runtime/mercury_goto.h:
runtime/mercury_std.h:
	Use the macros in mercury_std.h instead of defining local variants.

runtime/mercury_goto.h:
runtime/mercury_stack_layout.h:
runtime/mercury_stack_trace.c:
runtime/mercury_tabling.c:
trace/mercury_trace.c:
trace/mercury_trace_declarative.c:
trace/mercury_trace_external.c:
trace/mercury_trace_vars.c:
	Standardize some of the macro names with those used in the debugger
	paper.

runtime/mercury_heap.h:
	Add support for memory profiling with the deep profiler.

runtime/mercury_prof.[ch]:
runtime/mercury_prof_time.[ch]:
	Move the functionality that both the old profiler and the deep profiler
	need into the new module mercury_prof_time. Leave mercury_prof
	containing stuff that is only relevant to the old profiler.

runtime/mercury_prof.[ch]:
runtime/mercury_strerror.[ch]:
	Move the definition of strerror from mercury_prof to its own file.

runtime/mercury_wrapper.[ch]:
	Add support for deep profiling.

	Add suppory for controlling whether debugging output is buffered or
	not.

	Add support for watching the value at a given address.

runtime/Mmakefile:
	Mention all the added files.

scripts/mgnuc.in:
	Add an option for turning on deep profiling.

	Add options for controlling the details of deep profiling. These
	are not documented because they are intended only for benchmarking
	the deep profiler itself, for the paper; they are not for general use.

tools/bootcheck:
	Compile the deep_profiler directory as well as the other directories
	containing Mercury code.

	Turn off the creation of deep profiling data files during bootcheck,
	since all but one of these in each directory will be overwritten
	anyway.

	Add support for turning on --keep-objs by default in a workspace.

tools/speedtest:
	Preserve any deep profiling data files created by the tests.

trace/mercury_trace.c:
	Trap attempts to perform retries in deep profiling grades, since they
	would lead to core dumps otherwise.

util/Mmakefile:
	Avoid compile-time warnings when compiling getopt.

tests/*/Mmakefile:
tests/*/*/Mmakefile:
	In deep profiling grades, switch off the tests that test features
	that don't work with deep profiling, either by design or because
	the combination hasn't been implemented yet.
 2001-05-31 06:00:27 +00:00