Rate limit vnode_pager_putpages printfs to once a second.
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d394d454b0
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dd498befc4
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=151951
@ -1061,6 +1061,9 @@ vnode_pager_generic_putpages(vp, m, bytecount, flags, rtvals)
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struct iovec aiov;
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int error;
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int ioflags;
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int ppscheck = 0;
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static struct timeval lastfail;
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static int curfail;
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object = vp->v_object;
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count = bytecount / PAGE_SIZE;
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@ -1144,11 +1147,13 @@ vnode_pager_generic_putpages(vp, m, bytecount, flags, rtvals)
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cnt.v_vnodepgsout += ncount;
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if (error) {
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printf("vnode_pager_putpages: I/O error %d\n", error);
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if ((ppscheck = ppsratecheck(&lastfail, &curfail, 1)))
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printf("vnode_pager_putpages: I/O error %d\n", error);
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}
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if (auio.uio_resid) {
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printf("vnode_pager_putpages: residual I/O %d at %lu\n",
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auio.uio_resid, (u_long)m[0]->pindex);
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if (ppscheck || ppsratecheck(&lastfail, &curfail, 1))
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printf("vnode_pager_putpages: residual I/O %d at %lu\n",
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auio.uio_resid, (u_long)m[0]->pindex);
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}
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for (i = 0; i < ncount; i++) {
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rtvals[i] = VM_PAGER_OK;
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