What's Changed

• analyzeme Add support for reading aggregated query cache hit counts by @Kobzol in #244

Internal changes

• make default table output a bit more compact by @shua in #241
• Use merge queues for the repository by @Kobzol in #245

New Contributors

• @shua made their first contribution in #241

Full Changelog: 12.0.1...12.0.2

What's Changed

• measureme: Configure out ohos target's dependecies to avoid compilation crashes by @LuuuXXX #238
• analyzeme: Do not panic on missing page tags by @lqd in #239

What's Changed

• Remove bors CI config by @Kobzol in #225
• bump clap 3 -> 4 by @klensy in #226
• chore: share license information across the entire workspace by @weihanglo in #227
• Use workspace inheritance as much as possible by @weihanglo in #228
• chore: publish also decodeme and analyzeme in CI by @weihanglo in #234
• fix(analyzeme): drop the support of v7 profdata format by @weihanglo in #232
• chore: prepare for v12 release by @weihanglo in #233

Full Changelog: 11.0.1...12.0.0

What's Changed

• Fix compilation error and regression tests for big endian platforms by @michaelwoerister in #220
• Add GitHub Workflow for publishing measureme by @wesleywiser in #221
• Prepare release 11.0.1 by @michaelwoerister in #222
• Update crate versions to 11.0.1 by @michaelwoerister in #223

Full Changelog: 11.0.0...11.0.1

[11.0.0] - 2023-12-14

Changed

• measureme: Update StringId and Addr sizes from u32 to u64 (GH-216)
• analyzeme: v9 file format, which uses larger events (GH-216)

• decodeme: Include software license information in Cargo.toml and .crate tarball ([GH-231])
• measureme: Include software license information in Cargo.toml and .crate tarball ([GH-231])

Changed

• Change Cli parser from StructOpt to Clap (GH-199)
• crox: Remove malformed serde attribute (GH-205)
• decodeme: Allow whitespace control chars in EventId texts (GH-208)
• measureme: bump parking_lot to 0.12 to sync with rustc (GH-209)
• Allow copying example shell scripts (GH-211)

Changed

• measureme: Update perf-event-open-sys to 3.0 (GH-198)
• Move profile data analysis into analyzeme from summarizeme (GH-200)
• summarize: Update prettytable dependency to avoid segfaults on large profiles (GH-202)

Changed

• Change install instructions to use stable branch (GH-189)
• analyzeme: Remove some unused dependencies (GH-192)
• decodeme: Generate nicer panic messages for incomplete data files (GH-193)
• Fix build warnings from Rust 2018 idioms (GH-194)
• measureme: Allow capturing hardware performance counters on stable compilers (GH-195)

Changed

• analyzeme: Version-specific parts split out into decodeme crate. ([GH-181])
• analyzeme: The crate now supports loading both v7 and v8 of the file format. ([GH-181])

Added

• measureme: Allow recording interval events without using the drop guard ([GH-159])

Changed

• crox: Update the --dir flag to look for the correct file extension for traces ([GH-155])
• measureme: Update the memmap dependency to memmap2 which is actively maintained ([GH-156])

Added

• measureme: Add support for using hardware performance counters instead of wall-clock times. ([GH-143])
• summarize: Add aggregate sub-command for analyzing sets of profiles ([GH-129])

Changed

• analyzeme: Provide functions to decode paged buffer data from memory ([GH-142])
• analyzeme: Fix blocked events not being counted in total invocation count ([GH-148])
• analyzeme: Return error instead of panicking if the input file is too small ([GH-151])
• Cleanup intra-doc links ([GH-146])

Added

• measureme: Added a function to create EventIds with multiple arguments ([GH-138])

Changed

• We now use the standard semantic versioning system. As this is the 9th breaking change, we're adopting 9.0 as the version number
• measureme: Allow recording up to 4gb of string data instead of the old limit of 1gb ([GH-137])

Added

• analyzeme: Profiling data can now be constructed directly from memory without having to touch the filesystem ([GH-123])
• summarize: A new "Time" column shows the total amount of time spent executing the query including sub-queries ([GH-109])

Changed

• crox: Event argument data is now included in the output file ([GH-108])
• measureme: Trace data is now recorded into a single file instead of three files ([GH-132])
• mmview: Do not panic when there are no events ([GH-119])
• summarize: Time spent in incremental result cache loading and query blocking now counts toward self-time for the query ([GH-104])
• summarize: Improve support for loading trace files created by programs other than rustc ([GH-116])
• summarize: Only show the "Cache hits", "Blocked Time" and "Incremental load time" columns if that data is present in the trace ([GH-116])

Changed

• measureme: Fix compilation error on big endian systems ([GH-103])

Changed

• measureme: Events can now have "arguments" which record additional data about the event ([GH-101])

Added

• measureme: Added SerializationSink::write_bytes_atomic that optimizes handling of existing buffers ([GH-97])

Changed

• summarize: Fixed a crash when incr_cache_load events would have child events ([GH-93])
• measureme: Replaced notion of "reserved" StringIds with simpler "virtual" StringIds ([GH-98])

Added

• flamegraph: new tool that uses the inferno crate to generate flamegraph svg files ([GH-73])
• crox: Added the --dir parameter to merge all events files in dir in to one trace file ([GH-84])
• crox: Added possibility to add multiple file_prefix parameters to merge all them to one trace file ([GH-84])
• summarize: Added self_time_change as percentage change of self_time from base to the diff sub command ([GH-87])

Changed

• measureme: Stringtable data is recorded in a more compact format ([GH-90])
• measureme: Events are recorded in a more compact format ([GH-76])
• stack_collapse: Removed the --interval commandline option ([GH-76])

Added

• measureme: Added RAII-based API for recording events ([GH-70])
• measureme: Added support for compiling the library under wasm/wasi ([GH-43])
• mmview: Added the -t flag to limit output to results on the specified thread id ([GH-49])
• summarize: Added the diff sub command to compare two profiles ([GH-50])
• crox: Added the --collapse-threads flag to collapse events from unrelated threads to make visual analysis easier ([GH-56])
• crox: Added the --minimum-duration flag to filter out events under the specified number of microseconds ([GH-60])

Changed

• summarize: Moved summarization under the summarize sub command ([GH-50])
• crox: Output files are now up to 50% smaller ([GH-59])

Added

• summarize: New CLI argument percent-above for summarize crate ([GH-32])
• summarize: Added documentation ([GH-35])
• measureme: Added a version tag to the binary event file format ([GH-41])