v0.7.2

[0.7.2] - 2023-10-22

Fixed

• Fixed a panic in Sampler when handling a record that wrapped around the end of the sampler ring buffer.

What's Changed

• Fix a panic within ByteBuffer::truncate by @Phantomical in #39
• Rewrite the top-level README by @Phantomical in #40
• Prepare for v0.7.2 release by @Phantomical in #41

Full Changelog: v0.7.1...v0.7.2

v0.7.1

[0.7.1] - 2023-10-05

Added

• Added a Raw event type for creating PERF_TYPE_RAW counter events. @janaknat

What's Changed

• Add support for Raw Events by @janaknat in #38

New Contributors

• @janaknat made their first contribution in #38

Full Changelog: v0.7.0...v0.7.1

v0.7.0

[0.7.0] - 2023-07-24

Added

• Add Sampler::read_user method to for reading counters from userspace. Only x86 and x86_64 are supported when reading counters.

Changed

• (breaking) Sampler::next_record now takes &mut self instead of &self. This fixes UB that could arise due to having multiple Records from the same Sampler existing at the same time.

What's Changed

• Add support for reading counters from userspace using rdpmc by @Phantomical in #34
• Make Sampler::next record take &mut self instead of &self by @Phantomical in #35
• Update memmap2 to v0.7.0 by @Phantomical in #36
• Prepare for v0.7.0 release by @Phantomical in #37

Full Changelog: v0.6.3...v0.7.0

perf-event2 v0.6.3

[0.6.3] - 2023-05-30

Added

• Introduce a new Dynamic event type along with its builder. These allow easily creating counters for dynamic PMUs exposed via sysfs.

What's Changed

• Add new event type for dynamic perf PMUs by @Phantomical in #33

Full Changelog: v0.6.2...v0.6.3

perf-event2 v0.6.2

[0.6.2] - 2023-05-26

Added

• Introduce a new x86::Msr event type to expose the perf-event msr PMU. @yangxi

What's Changed

• Add a helper type for reading and caching dynamic PMU types by @Phantomical in #28
• Fix typo in tracepoint doctest by @Phantomical in #29
• Add rustfmt option to automatically group imports and reformat by @Phantomical in #30
• Add the MSR event support by @yangxi in #27
• Improve the documentation for the x86::Msr event. by @Phantomical in #32

New Contributors

• @yangxi made their first contribution in #27

Full Changelog: v0.6.1...v0.6.2

perf-event2 v0.6.1

[0.6.1] - 2023-05-19

Added

• Expose the IOC_SET_BPF ioctl as Counter::set_bpf.
• Add Event::update_attrs_with_data to allow events to store references to owned data within Builder's perf_event_attr struct.
• Add KProbe, UProbe, and Tracepoint event types.

What's Changed

• Add Counter::set_bpf binding for the IOC_SET_BPF ioctl by @Phantomical in #19
• Allow events to optionally return data that will be owned by Builder by @Phantomical in #21
• Only warn on missing docs in debug, deny in release by @Phantomical in #20
• Add KProbe and UProbe events by @Phantomical in #23
• Update changelog to document #21 by @Phantomical in #24
• Add tracepoint event type by @Phantomical in #25
• Prepare for perf-event2 0.6.1 release by @Phantomical in #26

Full Changelog: sys-v5.0.3...v0.6.1

v0.6.0

[0.6.0] - 2023-05-17

Added

• Expose the perf_event_data crate as the data module.
• Add Record::parse_record to parse records to data::Record.
• Add Software::CGROUP_SWITCHES and Software::BPF_OUTPUT events (#9). @Phantomical

Changed

• Hardware is no longer a rust enum. The constants remain the same.
• Software is no longer a rust enum. The constants remain the same.
• The same applies for WhichCache, CacheOp, and CacheResult.
• WhichCache has been renamed to CacheId.

What's Changed

• Rename data.rs to group_data.rs by @Phantomical in #2
• Generate bindings for perf architecture registers by @Phantomical in #3
• Remove the #[non_exhaustive] attribute on most structs by @Phantomical in #4
• Embed the source linux kernel version in the documentation by @Phantomical in #5
• Update release notes by @Phantomical in #6
• Copy CI workflows over from perf-event-data by @Phantomical in #8
• Add support for parsing Records via the perf_event_data crate by @Phantomical in #7
• Add missing software events to events::Software enum by @Phantomical in #9
• Add a changelog to perf-event2 by @Phantomical in #10
• Convert Hardware and Software enums to be c-like enums by @Phantomical in #11
• Rename WhichCache to CacheId by @Phantomical in #12
• Simplify CI by @Phantomical in #13
• Silence clippy::assign_op_pattern lint by @Phantomical in #14
• Update memmap2 to v0.6 by @Phantomical in #15
• Prepare for v0.6.0 release by @Phantomical in #16

Full Changelog: v0.5.0...v0.6.0

sys-v5.0.3

5.0.3

• Regenerated the bindings from the linux 6.3.4 source tree.

What's Changed

• Regenerate bindings from linux kernel version 6.3.2 by @Phantomical in #17
• Prepare sys-v5.0.3 release by @Phantomical in #18

Full Changelog: v0.6.0...sys-v5.0.3

perf-event-open-sys2 v5.0.2

What's Changed

• Remove the #[non_exhaustive] attribute on most structs by @Phantomical in #4

Full Changelog: sys-v5.0.1...sys-v5.0.2

perf-event-open-sys2 v5.0.1

What's Changed

• Generate bindings for perf architecture registers by @Phantomical in #3

Full Changelog: sys-v5.0.0...sys-v5.0.1