mirror of
https://github.com/urbit/shrub.git
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178 lines
3.1 KiB
C
178 lines
3.1 KiB
C
/* g/t.c
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**
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** This file is in the public domain.
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*/
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#include "all.h"
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/* u3_ct_push(): push on trace stack.
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*/
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void
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u3_ct_push(u3_noun mon)
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{
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u3R->bug.tax = u3nc(mon, u3R->bug.tax);
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}
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/* u3_ct_mean(): push `[%mean roc]` on trace stack.
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*/
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void
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u3_ct_mean(u3_noun roc)
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{
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u3R->bug.tax = u3nc(u3nc(c3__mean, roc), u3R->bug.tax);
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}
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/* u3_ct_drop(): drop from meaning stack.
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*/
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void
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u3_ct_drop(void)
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{
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c3_assert(u3_so(u3du(u3R->bug.tax)));
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{
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u3_noun tax = u3R->bug.tax;
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u3R->bug.tax = u3k(u3t(tax));
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u3z(tax);
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}
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}
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/* u3_ct_slog(): print directly.
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*/
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void
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u3_ct_slog(u3_noun hod)
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{
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u3_cm_p("&", hod);
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u3z(hod);
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}
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/* u3_ct_heck(): profile point.
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*/
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void
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u3_ct_heck(u3_atom cog)
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{
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printf("ct: heck %s\r\n", u3_cr_string(cog));
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if ( 0 == u3R->pro.day ) { u3R->pro.day = u3_cv_do("doss", 0); }
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u3R->pro.day = u3_dc("pi-heck", cog, u3R->pro.day);
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}
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/* u3_ct_samp(): sample.
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*/
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void
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u3_ct_samp(void)
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{
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if ( 0 == u3R->pro.day ) { u3R->pro.day = u3_cv_do("doss", 0); }
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u3R->pro.day = u3_dc("pi-noon", u3k(u3R->pro.don), u3R->pro.day);
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}
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/* u3_ct_come(): push on profile stack.
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*/
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void
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u3_ct_come(u3_atom cog)
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{
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printf("ct: come %s\r\n", u3_cr_string(cog));
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u3R->pro.don = u3nc(cog, u3R->pro.don);
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}
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/* u3_ct_flee(): pop off profile stack.
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*/
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void
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u3_ct_flee(void)
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{
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c3_assert(u3_so(u3du(u3R->pro.don)));
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{
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u3_noun tax = u3R->bug.tax;
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u3R->bug.tax = u3k(u3t(tax));
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u3z(tax);
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}
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}
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/* u3_ct_damp(): print and clear profile data.
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*/
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void
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u3_ct_damp(void)
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{
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if ( 0 != u3R->pro.day ) {
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u3_noun wol = u3_do("pi-tell", u3R->pro.day);
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u3_cm_wall(wol);
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u3R->pro.day = u3_cv_do("doss", 0);
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}
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if ( 0 != u3R->pro.nox_d ) {
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printf("knox: %llu\r\n", (u3R->pro.nox_d / 1000ULL));
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u3R->pro.nox_d = 0;
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}
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}
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/* _ct_sigaction(): profile sigaction callback.
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*/
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void _ct_sigaction(c3_i x_i) { u3_ct_samp(); }
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/* u3_ct_boot(): turn sampling on.
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*/
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void
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u3_ct_boot(void)
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{
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printf("ct: now profiling.\r\n");
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printf("knox: %llu\r\n", (u3R->pro.nox_d / 1000ULL));
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u3R->pro.nox_d = 0;
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#if defined(U2_OS_osx)
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#if 0
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{
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struct itimerval itm_v;
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struct sigaction sig_s;
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sig_s.__sigaction_u.__sa_handler = _ct_sigaction;
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sig_s.sa_mask = 0;
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sig_s.sa_flags = 0;
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sigaction(SIGPROF, &sig_s, 0);
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itm_v.it_interval.tv_sec = 0;
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itm_v.it_interval.tv_usec = 10000;
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itm_v.it_value = itm_v.it_interval;
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setitimer(ITIMER_PROF, &itm_v, 0);
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}
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#endif
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#elif defined(U2_OS_linux)
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// TODO: support profiling on linux
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#elif defined(U2_OS_bsd)
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// TODO: support profiling on bsd
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#else
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#error "port: profiling"
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#endif
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}
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/* u3_ct_boff(): turn profile sampling off.
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*/
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void
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u3_ct_boff(void)
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{
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#if defined(U2_OS_osx)
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struct sigaction sig_s;
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struct itimerval itm_v;
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printf("ct: end profiling.\r\n");
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itm_v.it_interval.tv_sec = 0;
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itm_v.it_interval.tv_usec = 0;
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itm_v.it_value = itm_v.it_interval;
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setitimer(ITIMER_PROF, &itm_v, 0);
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sigaction(SIGPROF, &sig_s, 0);
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u3_ct_damp();
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#elif defined(U2_OS_linux)
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// TODO: support profiling on linux
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#elif defined(U2_OS_bsd)
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// TODO: support profiling on bsd
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#else
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#error "port: profiling"
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#endif
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}
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