• Carl Shapiro's avatar
    runtime: add an allocation and free tracing for gc debugging · 48279bd5
    Carl Shapiro authored
    Output for an allocation and free (sweep) follows
    
    MProf_Malloc(p=0xc2100210a0, size=0x50, type=0x0 <single object>)
            #0 0x46ee15 runtime.mallocgc /usr/local/google/home/cshapiro/go/src/pkg/runtime/malloc.goc:141
            #1 0x47004f runtime.settype_flush /usr/local/google/home/cshapiro/go/src/pkg/runtime/malloc.goc:612
            #2 0x45f92c gc /usr/local/google/home/cshapiro/go/src/pkg/runtime/mgc0.c:2071
            #3 0x45f89e mgc /usr/local/google/home/cshapiro/go/src/pkg/runtime/mgc0.c:2050
            #4 0x45258b runtime.mcall /usr/local/google/home/cshapiro/go/src/pkg/runtime/asm_amd64.s:179
    
    MProf_Free(p=0xc2100210a0, size=0x50)
            #0 0x46ee15 runtime.mallocgc /usr/local/google/home/cshapiro/go/src/pkg/runtime/malloc.goc:141
            #1 0x47004f runtime.settype_flush /usr/local/google/home/cshapiro/go/src/pkg/runtime/malloc.goc:612
            #2 0x45f92c gc /usr/local/google/home/cshapiro/go/src/pkg/runtime/mgc0.c:2071
            #3 0x45f89e mgc /usr/local/google/home/cshapiro/go/src/pkg/runtime/mgc0.c:2050
            #4 0x45258b runtime.mcall /usr/local/google/home/cshapiro/go/src/pkg/runtime/asm_amd64.s:179
    
    R=golang-dev, dvyukov, rsc, cshapiro
    CC=golang-dev
    https://golang.org/cl/21990045
    48279bd5
mprof.goc 12.9 KB