Flamegraph Rs Flamegraph Versions Save

• Add -p/--package option (#97, thanks to @nitsky)
• Correctly process profiling data in a custom output file (#95, thanks to @vitorenesduarte)
• Escape spaces when passing commands to dtrace (#100)
• Work around invalid UTF-8 in stack traces (#101, thanks to @michaelkirk)
• Modify path environment to fix benchmark profiling (#102, thanks to @arnej)
• Fix path when passing a custom target (#103, thanks to @pikajude)

• Respect PERF and DTRACE environment variables to support custom paths (#92, thanks to @spitfire05)
• Restore the default sample rate of 997 (#90, thanks to @yoshuawuyts)
• Upgrade inferno to 0.9.8 (#87, thanks to @SoftwareApe)
• Don't optimize build-time dependencies (#89, thanks to @joshtriplett)

Support is now added for passing custom scripts to perf & dtrace using the -c argument. This enables correlating various interesting perf metrics like branch-misses, cache-misses, topdown-fetch-bubbles or anything else listed by your system's perf list output.

example:

cargo flamegraph -c "record -e branch-misses -c 100 --call-graph lbr -g"

Binaries for this release are provided for x86_64 linux.

New Features

• Profile bench targets using --bench (https://github.com/flamegraph-rs/flamegraph/pull/35)
• perf/dtrace can now be run as root by passing --root (https://github.com/flamegraph-rs/flamegraph/pull/37)
• Profile running programs by passing their PID with -p/--pid (https://github.com/flamegraph-rs/flamegraph/pull/53)
• The sampling frequency can now be set with the -F/--freq parameter (https://github.com/flamegraph-rs/flamegraph/pull/33)
• The generated SVG file can now be automatically opened by passing --open (https://github.com/flamegraph-rs/flamegraph/pull/45)

Bugfixes

• Fix mangling of whitespace-bearing arguments (https://github.com/flamegraph-rs/flamegraph/pull/51)
• Make signal-hook a Unix only dependency so that Windows target builds (https://github.com/flamegraph-rs/flamegraph/pull/46)

This release includes some rudimentary support for running tests.

A convenient flamegraph generator in a self-contained binary that allows you to generate flamegraphs as easily as you would run strace against them, without Perl or pipes! Includes first-class Rust support for projects managed with Cargo.