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Differential D31885 Diff 94968 sys/riscv/riscv/minidump_machdep.c

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sys/riscv/riscv/minidump_machdep.c

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CTASSERT(sizeof(struct kerneldumpheader) == 512); CTASSERT(sizeof(struct kerneldumpheader) == 512);
static struct kerneldumpheader kdh; static struct kerneldumpheader kdh;
/* Handle chunked writes. */ /* Handle chunked writes. */
static size_t fragsz; static size_t fragsz;
static void *dump_va; static void *dump_va;
static size_t counter, progress, dumpsize; static size_t dumpsize;
static uint64_t tmpbuffer[PAGE_SIZE / sizeof(uint64_t)]; static uint64_t tmpbuffer[PAGE_SIZE / sizeof(uint64_t)];
static struct {
int min_per;
int max_per;
int visited;
} progress_track[10] = {
{ 0, 10, 0},
{ 10, 20, 0},
{ 20, 30, 0},
{ 30, 40, 0},
{ 40, 50, 0},
{ 50, 60, 0},
{ 60, 70, 0},
{ 70, 80, 0},
{ 80, 90, 0},
{ 90, 100, 0}
};
static void
report_progress(size_t progress, size_t dumpsize)
{
int sofar, i;
sofar = 100 - ((progress * 100) / dumpsize);
for (i = 0; i < nitems(progress_track); i++) {
if (sofar < progress_track[i].min_per ||
sofar > progress_track[i].max_per)
continue;
if (progress_track[i].visited)
return;
progress_track[i].visited = 1;
printf("..%d%%", sofar);
return;
}
}
static int static int
blk_flush(struct dumperinfo *di) blk_flush(struct dumperinfo *di)
{ {
int error; int error;
if (fragsz == 0) if (fragsz == 0)
return (0); return (0);
▲ Show 20 Lines • Show All 41 Lines • ▼ Show 20 Lines if (ptr != NULL) {
error = blk_flush(di); error = blk_flush(di);
if (error != 0) if (error != 0)
return (error); return (error);
} }
while (sz) { while (sz) {
len = maxdumpsz - fragsz; len = maxdumpsz - fragsz;
if (len > sz) if (len > sz)
len = sz; len = sz;
counter += len;
progress -= len;
if (counter >> 22) {
report_progress(progress, dumpsize);
counter &= (1 << 22) - 1;
}
dumpsys_pb_progress(len);
wdog_kern_pat(WD_LASTVAL); wdog_kern_pat(WD_LASTVAL);
if (ptr) { if (ptr) {
error = dump_append(di, ptr, 0, len); error = dump_append(di, ptr, 0, len);
if (error != 0) if (error != 0)
return (error); return (error);
ptr += len; ptr += len;
sz -= len; sz -= len;
▲ Show 20 Lines • Show All 74 Lines • ▼ Show 20 Lines VM_PAGE_DUMP_FOREACH(pa) {
/* Clear out undumpable pages now if needed */ /* Clear out undumpable pages now if needed */
if (dump_page_is_dumpable(pa)) if (dump_page_is_dumpable(pa))
dumpsize += PAGE_SIZE; dumpsize += PAGE_SIZE;
else else
dump_drop_page(pa); dump_drop_page(pa);
} }
dumpsize += PAGE_SIZE; dumpsize += PAGE_SIZE;
progress = dumpsize; dumpsys_pb_init(dumpsize);
/* Initialize mdhdr */ /* Initialize mdhdr */
bzero(&mdhdr, sizeof(mdhdr)); bzero(&mdhdr, sizeof(mdhdr));
strcpy(mdhdr.magic, MINIDUMP_MAGIC); strcpy(mdhdr.magic, MINIDUMP_MAGIC);
mdhdr.version = MINIDUMP_VERSION; mdhdr.version = MINIDUMP_VERSION;
mdhdr.msgbufsize = msgbufp->msg_size; mdhdr.msgbufsize = msgbufp->msg_size;
mdhdr.bitmapsize = round_page(BITSET_SIZE(vm_page_dump_pages)); mdhdr.bitmapsize = round_page(BITSET_SIZE(vm_page_dump_pages));
mdhdr.pmapsize = pmapsize; mdhdr.pmapsize = pmapsize;
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