tbodt

#!/usr/sbin/dtrace -Cs
#pragma D option quiet

dtrace:::BEGIN {
    printf("top outstanding allocation backtrace:\n");
    printf("%d bytes in %d sampled allocations (sampling 1 in %d)\n", `top_ztrace->zt_size, `top_ztrace->zt_hit_count, `zleak_sample_factor);
    printf("estimate: %d bytes in %d total allocations, %d bytes/allocation\n", `top_ztrace->zt_size * `zleak_sample_factor, `top_ztrace->zt_hit_count * `zleak_sample_factor, `top_ztrace->zt_size / `top_ztrace->zt_hit_count);
#define A(i) \
    if (`top_ztrace->zt_depth > i) { \
        sym((user_addr_t)`top_ztrace->zt_stack[i]); \

tbodt

======================================================================================
======================================================================================
== Tweedle D & Tweedle dum! ==========================================================
======================================================================================
======================================================================================
Sun, 25 Oct 2020 4:44PM PST.... ======================================================
Author: NOBODY (et-al) ===============================================================
======================================================================================
= OR 'hello world of TMM & PKA' ======================================================

tbodt

*.html: %.php
  php $< > $@
all: $(shell find . -name '*.php')

tbodt

AAIAAAABAEAAAgEwAAMAAQACAAcAAwACAAIABgADADAABAABAAMABwAEAAIAAwAGAAQAEgAFAAEABAAHAAUAAQAEABUAAAABAAQABwAAAAIABAAGAAEAQAACAQUAAwADAAIABQADAAMAAgAFAAMAAwACAAQAAwAEAAIABAADAAQAAgADAAMABQACAAIAAwAGAAIAAQADAAwABAADAAMABQAEAAMAAwAFAAQAAwADAAQABAAEAAMABAAEAAQAAwADAAQABQADAAIABAAGAAMAAQAEAAwAAAADAAQABQAAAAMABAAFAAAAAwAEAAQAAAAEAAQABAAAAAQABAADAAAABQAEAAIAAAAGAAQAAQAAAAcAAQBAAAIBAAADAAIAAgAGAAMAAgACAAYAAwADAAIABQADAAMAAgAFAAMAAwACAAUAAwAEAAIABAADAAUAAgADAAMABgACAAIABAACAAMABgAEAAIAAwAGAAQAAwADAAUABAADAAMABQAEAAMAAwAFAAQABAADAAQABAAFAAMAAwAEAAYAAwACAAAAAgAEAAYAAAACAAQABgAAAAMABAAFAAAAAwAEAAUAAAADAAQABQAAAAQABAAEAAAABQAEAAMAAAAGAAQAAgABAEAAAgFgAAMAAQACAAcAAwABAAIABwADAAIAAgAGAAMAAwACAAUAAwAGAAIAAQADABkABAABAAMABwAEAAEAAwAHAAQAAgADAAYABAADAAMABQABAEAAAgEvAAMAAQACABUAAwADAAIABAADAAQAAgAEAAMABAACAAMAAwAFAAIAAwADAAQABgABAAIAAwADAAQABgABAAIAAgADAAYAAgACAAMACgAEAAQAAwAEAAQABAADAAQABAAEAAMAAwAEAAUAAwADAAQABQADAAMABAAEAAAAAQADAAIABAAGAAMAAgAEAAYAAQBAAAIBAwADAAUAAgABAAMABwACAAEAAwAwAAYABwADAAEABgAHAAMAAQAGAC8ABAABAAAABwAEAAEAAAAH

tbodt

Problem

• Create named pipe in fakefs (turns out this creates a real named pipe!)
• Open it
• This blocks, while holding inodes_lock

Why does it hold the lock?

commit d57b6d26fad3103d2303efe0fa8d74c56a8e637b
Author: Theodore Dubois [email protected]