Date: Wed, 2 Aug 2006 06:44:25 GMT From: John Birrell <jb@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 102997 for review Message-ID: <200608020644.k726iP5e010387@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=102997 Change 102997 by jb@jb_freebsd2 on 2006/08/02 06:44:00 Only print the trap trace data on the first CPU that decides to panic. We really don't need (potentially) 32 copies of the info. Also printf the pad fields in the per-cpu structure which we're using a temporary debug storage during traps. Affected files ... .. //depot/projects/dtrace/src/sys/sun4v/sun4v/pmap.c#10 edit Differences ... ==== //depot/projects/dtrace/src/sys/sun4v/sun4v/pmap.c#10 (text+ko) ==== @@ -1218,6 +1218,10 @@ m->md.pv_list_count++; } +#ifdef TRAP_TRACING +static int trap_trace_report_done; +#endif + #ifdef SMP static cpumask_t pmap_ipi(pmap_t pmap, char *func, uint64_t arg1, uint64_t arg2) @@ -1288,9 +1292,17 @@ curactive & ~ackmask); #ifdef TRAP_TRACING - for (j = 0; j < MAXCPU; j++) - if (((1 << j) & curactive & ~ackmask) != 0) - trap_trace_report(j); + if (!trap_trace_report_done) { + trap_trace_report_done = 1; + for (j = 0; j < MAXCPU; j++) + if (((1 << j) & curactive & ~ackmask) != 0) { + struct pcpu *pc = pcpu_find(j); + printf("pcpu pad 0x%jx 0x%jx 0x%jx 0x%jx 0x%jx 0x%jx 0x%jx\n", + pc->pad[0], pc->pad[1], pc->pad[2], pc->pad[3], + pc->pad[4], pc->pad[5], pc->pad[6]); + trap_trace_report(j); + } + } #endif hv_cpu_state((uint64_t)ffs64(curactive & ~ackmask), &cpu_state);
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