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"Valgrind Client Request" interface for Rust programs

License: MIT License

Rust 88.29% C 11.71%

bindings cachegrind callgrind ffi helgrind massif performance-analysis profiling valgrind

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threeifbyair kobzol

crabgrind's Issues

Question : Output cachegrind files

Hi !

I'm pretty new with valgrind (1 hour ago ^^').

I'd like to output cachegrind file but I don't know how to manage this.

So far, I've done this:

fn run<B: Buffer>(source: Source, save_buffer: &mut B, work_buffer: &mut B) {
    let mode = cg::run_mode();
    cg::print_stacktrace!("current mode: {mode:?}");

    cg::callgrind::toggle_collect();
    cg::cachegrind::start_instrumentation();
    playground::parsers::preallocated::parser_preallocated(source, save_buffer, work_buffer)
        .unwrap();
    cg::callgrind::toggle_collect();
    cg::cachegrind::stop_instrumentation();

    if cg::monitor_command("snapshot mem.snapshot").is_ok() {
        println!("snapshot is saved to \"mem.snapshot\"");
    } else {
        println!("error")
    }
}

The main call run and does all heavy initialization.

I run everything with a

cargo valgrind run

How can I achieve this ?

With valgrind I've done

valgrind --tool=cachegrinf my_bin

But it profiles the main and poluate my analysis.

Thanks

Update missing `Cachegrind requests` doc link

#1 Added the upcoming 'cachegrind' requests API using a placeholder for doc link, to be updated when the new API's docs becomes available, presumably with the next release at Cachegrind: a high-precision tracing profiler.

valgrind/cachegrind.h does not exist on Arch Linux

Hi, it seems like valgrind/cachegrind.h as introduced in ad39a21 does not exist in the Arch Linux https://archlinux.org/packages/extra/x86_64/valgrind/files/ package. Should this be fixed on the Arch Linux side or in this package?

The following warnings were emitted during compilation:

warning: [email protected]: export.c:2:10: fatal error: valgrind/cachegrind.h: No such file or directory
warning: [email protected]:     2 | #include <valgrind/cachegrind.h>
warning: [email protected]:       |          ^~~~~~~~~~~~~~~~~~~~~~~
warning: [email protected]: compilation terminated.

error: failed to run custom build command for `crabgrind v0.1.10`

Caused by:
  process didn't exit successfully: `/home/moritz/Documents/project/target/release/build/crabgrind-0b7b82b707333898/build-script-build` (exit status: 1)
  --- stdout
  cargo:rerun-if-changed=export.c
  TARGET = Some("x86_64-unknown-linux-gnu")
  OPT_LEVEL = Some("3")
  HOST = Some("x86_64-unknown-linux-gnu")
  cargo:rerun-if-env-changed=CC_x86_64-unknown-linux-gnu
  CC_x86_64-unknown-linux-gnu = None
  cargo:rerun-if-env-changed=CC_x86_64_unknown_linux_gnu
  CC_x86_64_unknown_linux_gnu = None
  cargo:rerun-if-env-changed=HOST_CC
  HOST_CC = None
  cargo:rerun-if-env-changed=CC
  CC = None
  cargo:rerun-if-env-changed=CRATE_CC_NO_DEFAULTS
  CRATE_CC_NO_DEFAULTS = None
  DEBUG = Some("true")
  CARGO_CFG_TARGET_FEATURE = Some("fxsr,sse,sse2")
  cargo:rerun-if-env-changed=CFLAGS_x86_64-unknown-linux-gnu
  CFLAGS_x86_64-unknown-linux-gnu = None
  cargo:rerun-if-env-changed=CFLAGS_x86_64_unknown_linux_gnu
  CFLAGS_x86_64_unknown_linux_gnu = None
  cargo:rerun-if-env-changed=HOST_CFLAGS
  HOST_CFLAGS = None
  cargo:rerun-if-env-changed=CFLAGS
  CFLAGS = None
  running: "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/home/moritz/Documents/project/target/release/build/crabgrind-c9c6769248176212/out/export.o" "-c" "export.c"
  cargo:warning=export.c:2:10: fatal error: valgrind/cachegrind.h: No such file or directory

  cargo:warning=    2 | #include <valgrind/cachegrind.h>

  cargo:warning=      |          ^~~~~~~~~~~~~~~~~~~~~~~

  cargo:warning=compilation terminated.

  exit status: 1

  --- stderr


  error occurred: Command "cc" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "-gdwarf-4" "-fno-omit-frame-pointer" "-m64" "-Wall" "-Wextra" "-o" "/home/moritz/Documents/project/target/release/build/crabgrind-c9c6769248176212/out/export.o" "-c" "export.c" with args "cc" did not execute successfully (status code exit status: 1).


warning: build failed, waiting for other jobs to finish...

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