From owner-svn-src-all@freebsd.org Sun Apr 28 17:27:07 2019 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id B639F158421A; Sun, 28 Apr 2019 17:27:07 +0000 (UTC) (envelope-from asomers@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5339D6CB03; Sun, 28 Apr 2019 17:27:07 +0000 (UTC) (envelope-from asomers@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 06038DD59; Sun, 28 Apr 2019 17:27:07 +0000 (UTC) (envelope-from asomers@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id x3SHR6lU046202; Sun, 28 Apr 2019 17:27:06 GMT (envelope-from asomers@FreeBSD.org) Received: (from asomers@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id x3SHR64w046201; Sun, 28 Apr 2019 17:27:06 GMT (envelope-from asomers@FreeBSD.org) Message-Id: <201904281727.x3SHR64w046201@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: asomers set sender to asomers@FreeBSD.org using -f From: Alan Somers Date: Sun, 28 Apr 2019 17:27:06 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r346847 - head/tools/regression/fsx X-SVN-Group: head X-SVN-Commit-Author: asomers X-SVN-Commit-Paths: head/tools/regression/fsx X-SVN-Commit-Revision: 346847 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Rspamd-Queue-Id: 5339D6CB03 X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org X-Spamd-Result: default: False [-2.98 / 15.00]; local_wl_from(0.00)[FreeBSD.org]; NEURAL_HAM_MEDIUM(-1.00)[-0.998,0]; NEURAL_HAM_LONG(-1.00)[-1.000,0]; NEURAL_HAM_SHORT(-0.98)[-0.980,0]; ASN(0.00)[asn:11403, ipnet:2610:1c1:1::/48, country:US] X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 28 Apr 2019 17:27:07 -0000 Author: asomers Date: Sun Apr 28 17:27:06 2019 New Revision: 346847 URL: https://svnweb.freebsd.org/changeset/base/346847 Log: fsx: seed more randomly with the -S0 option When using -S0, seed the PRNG with the current time in nanoseconds, not seconds, so consecutive runs don't accidentally use the same seed. Also, rename some variables for clarity. Reviewed by: ngie MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D20078 Modified: head/tools/regression/fsx/fsx.c Modified: head/tools/regression/fsx/fsx.c ============================================================================== --- head/tools/regression/fsx/fsx.c Sun Apr 28 16:28:36 2019 (r346846) +++ head/tools/regression/fsx/fsx.c Sun Apr 28 17:27:06 2019 (r346847) @@ -48,6 +48,7 @@ # include # include #endif +#include #include #include #ifndef MAP_FILE @@ -274,16 +275,22 @@ logdump(void) prt("\t***RRRR***"); break; case OP_WRITE: - prt("WRITE\t0x%x thru 0x%x\t(0x%x bytes)", - lp->args[0], lp->args[0] + lp->args[1] - 1, - lp->args[1]); - if (lp->args[0] > lp->args[2]) - prt(" HOLE"); - else if (lp->args[0] + lp->args[1] > lp->args[2]) - prt(" EXTEND"); - if ((badoff >= lp->args[0] || badoff >=lp->args[2]) && - badoff < lp->args[0] + lp->args[1]) - prt("\t***WWWW"); + { + int offset = lp->args[0]; + int len = lp->args[1]; + int oldlen = lp->args[2]; + + prt("WRITE\t0x%x thru 0x%x\t(0x%x bytes)", + offset, offset + len - 1, + len); + if (offset > oldlen) + prt(" HOLE"); + else if (offset + len > oldlen) + prt(" EXTEND"); + if ((badoff >= offset || badoff >=oldlen) && + badoff < offset + len) + prt("\t***WWWW"); + } break; case OP_TRUNCATE: down = lp->args[0] < lp->args[1]; @@ -993,6 +1000,7 @@ main(int argc, char **argv) char *endp; char goodfile[1024]; char logfile[1024]; + struct timespec now; goodfile[0] = 0; logfile[0] = 0; @@ -1115,8 +1123,11 @@ main(int argc, char **argv) break; case 'S': seed = getnum(optarg, &endp); - if (seed == 0) - seed = time(0) % 10000; + if (seed == 0) { + if (clock_gettime(CLOCK_REALTIME, &now) != 0) + err(1, "clock_gettime"); + seed = now.tv_nsec % 10000; + } if (!quiet) fprintf(stdout, "Seed set to %d\n", seed); if (seed < 0) @@ -1206,7 +1217,7 @@ main(int argc, char **argv) prterr(fname); warn("main: error on write"); } else - warn("main: short write, 0x%x bytes instead of 0x%x\n", + warn("main: short write, 0x%x bytes instead of 0x%lx\n", (unsigned)written, maxfilelen); exit(98); }