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Merge branch 'worker-memory'
* worker-memory: u3: removes "worker_send_replace" printf u3: statically measure memory on startup if < 1/2 the loom is free u3: restore memory reclamation every 1k events u3: print the size of the free lists on |mass Signed-off-by: Jared Tobin <jared@tlon.io>
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commit
7f25f26ac2
@ -306,6 +306,7 @@ _worker_grab(u3_noun sac, u3_noun ovo, u3_noun vir)
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tot_w += u3a_maid(fil_u, "effects", u3a_mark_noun(vir));
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u3a_print_memory(fil_u, "total marked", tot_w);
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u3a_print_memory(fil_u, "free lists", u3a_idle(u3R));
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u3a_print_memory(fil_u, "sweep", u3a_sweep());
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fflush(fil_u);
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@ -340,10 +341,6 @@ _worker_send(u3_noun job)
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static void
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_worker_send_replace(c3_d evt_d, u3_noun job)
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{
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u3l_log("worker_send_replace %" PRIu64 " %s\r\n",
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evt_d,
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u3r_string(u3h(u3t(u3t(job)))));
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_worker_send(u3nt(c3__work,
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u3i_chubs(1, &evt_d),
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u3ke_jam(u3nc(u3V.mug_l, job))));
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@ -605,6 +602,15 @@ _worker_work_live(c3_d evt_d, u3_noun job)
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rec_o = c3y;
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pri = 0;
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}
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// reclaim memory from persistent caches periodically
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//
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// XX this is a hack to work two things
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// - bytecode caches grow rapidly and can't be simply capped
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// - we don't make very effective use of our free lists
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//
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else {
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rec_o = _(0 == (evt_d % 1000ULL));
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}
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// notify daemon of memory pressure via "fake" effect
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//
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@ -888,6 +894,21 @@ _worker_poke(void* vod_p, u3_noun mat)
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}
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}
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/* _worker_static_grab(): garbage collect, checking for profiling. RETAIN.
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*/
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static void
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_worker_static_grab(void)
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{
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c3_assert( u3R == &(u3H->rod_u) );
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fprintf(stderr, "work: measuring memory:\r\n");
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u3a_print_memory(stderr, "total marked", u3m_mark(stderr));
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u3a_print_memory(stderr, "free lists", u3a_idle(u3R));
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u3a_print_memory(stderr, "sweep", u3a_sweep());
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fprintf(stderr, "\r\n");
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fflush(stderr);
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}
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/* u3_worker_boot(): send startup message to manager.
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*/
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void
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@ -917,6 +938,18 @@ u3_worker_boot(void)
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u3l_log("work: play %" PRIu64 "\r\n", nex_d);
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_worker_send(u3nc(c3__play, dat));
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// measure/print static memory usage if < 1/2 of the loom is available
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//
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{
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c3_w pen_w = u3a_open(u3R);
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if ( !(pen_w > (1 << 28)) ) {
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fprintf(stderr, "\r\n");
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u3a_print_memory(stderr, "work: contiguous free space", pen_w);
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_worker_static_grab();
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}
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}
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}
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/* main(): main() when run as urbit-worker
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