From c13150fe02fdc6e91fa9bce2bb6be36be8e10000 Mon Sep 17 00:00:00 2001 From: Xiao Yang Date: Wed, 9 Dec 2020 13:08:15 +0800 Subject: [PATCH] src/dmiperf: Remove obsolete dmiperf Signed-off-by: Xiao Yang Reviewed-by: Darrick J. Wong Signed-off-by: Eryu Guan --- .gitignore | 1 - src/Makefile | 2 +- src/dmiperf.c | 275 -------------------------------------------------- 3 files changed, 1 insertion(+), 277 deletions(-) delete mode 100644 src/dmiperf.c diff --git a/.gitignore b/.gitignore index 041cc2d9..f988a44a 100644 --- a/.gitignore +++ b/.gitignore @@ -66,7 +66,6 @@ /src/dirhash_collide /src/dirperf /src/dirstress -/src/dmiperf /src/e4compact /src/fault /src/feature diff --git a/src/Makefile b/src/Makefile index c0688520..811b24e4 100644 --- a/src/Makefile +++ b/src/Makefile @@ -11,7 +11,7 @@ TARGETS = dirstress fill fill2 getpagesize holes lstat64 \ mmapcat append_reader append_writer dirperf metaperf \ devzero feature alloc fault fstest t_access_root \ godown resvtest writemod writev_on_pagefault makeextents itrash rename \ - multi_open_unlink dmiperf unwritten_sync genhashnames t_holes \ + multi_open_unlink unwritten_sync genhashnames t_holes \ t_mmap_writev t_truncate_cmtime dirhash_collide t_rename_overwrite \ holetest t_truncate_self af_unix t_mmap_stale_pmd \ t_mmap_cow_race t_mmap_fallocate fsync-err t_mmap_write_ro \ diff --git a/src/dmiperf.c b/src/dmiperf.c deleted file mode 100644 index 4026dcfb..00000000 --- a/src/dmiperf.c +++ /dev/null @@ -1,275 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Copyright (c) 2006 Silicon Graphics, Inc. - * All Rights Reserved. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -typedef unsigned int uint_t; - -/* - * Loop over directory sizes: - * make m directories - * touch n files in each directory - * write y bytes to all files in each directory - * set DMF attribute on x files in each directory - * Change directory sizes by multiplication or addition. - * Allow control of starting & stopping sizes, name length, target directory. - * Print size and wallclock time (ms per file). - * Output can be used to make graphs (gnuplot) - */ - -static uint_t addval; -static uint_t dirchars; -static char *directory; -static uint_t firstsize; -static uint_t lastsize; -static uint_t minchars; -static double mulval; -static uint_t nchars; -static uint_t ndirs; -static uint_t pfxchars; -static off64_t fsize; -static char *buffer; -static size_t bsize; - -static int mkfile(char *, char *); -static void filename(int, int, char *); -static int hexchars(uint_t); -static uint_t nextsize(uint_t); -static double now(void); -static void usage(void); - -/* - * Maximum size allowed, this is pretty nuts. - * The largest one we've ever built has been about 2 million. - */ -#define MAX_DIR_SIZE (16 * 1024 * 1024) -#define DFL_FIRST_SIZE 1 -#define DFL_LAST_SIZE (1024 * 1024) -#define MAX_DIR_COUNT 1024 -#define MIN_DIR_COUNT 1 - -#define DMFATTRLEN 22 -#define DMFATTRNAME "SGI_DMI_DMFATTR" - -int -main(int argc, char **argv) -{ - int c; - uint_t cursize; - int i; - int j; - char name[NAME_MAX + 1]; - char attr[DMFATTRLEN]; - double stime; - - while ((c = getopt(argc, argv, "a:b:c:d:f:l:m:n:s:")) != -1) { - switch (c) { - case 'a': - addval = (uint_t)atoi(optarg); - break; - case 'b': - bsize = (size_t)atol(optarg); - break; - case 'c': - nchars = (uint_t)atoi(optarg); - break; - case 'd': - directory = optarg; - break; - case 'f': - firstsize = (uint_t)atoi(optarg); - break; - case 'l': - lastsize = (uint_t)atoi(optarg); - break; - case 'm': - mulval = atof(optarg); - break; - case 'n': - ndirs = (uint_t)atoi(optarg); - break; - case 's': - fsize = (off64_t)atol(optarg); - break; - case '?': - default: - usage(); - exit(1); - } - } - if (!addval && !mulval) - mulval = 2.0; - else if ((addval && mulval) || mulval < 0.0) { - usage(); - exit(1); - } - if (!bsize) - bsize = 1024 * 1024; - buffer = memalign(getpagesize(), bsize); - memset(buffer, 0xfeed, bsize); - memset(attr, 0xaaaaaaa, sizeof(attr)); - - if (!directory) - directory = "."; - else { - if (mkdir(directory, 0777) < 0 && errno != EEXIST) { - perror(directory); - exit(1); - } - if (chdir(directory) < 0) { - perror(directory); - exit(1); - } - } - if (firstsize == 0) - firstsize = DFL_FIRST_SIZE; - else if (firstsize > MAX_DIR_SIZE) - firstsize = MAX_DIR_SIZE; - if (lastsize == 0) - lastsize = DFL_LAST_SIZE; - else if (lastsize > MAX_DIR_SIZE) - lastsize = MAX_DIR_SIZE; - if (lastsize < firstsize) - lastsize = firstsize; - minchars = hexchars(lastsize - 1); - if (nchars < minchars) - nchars = minchars; - else if (nchars >= NAME_MAX + 1) - nchars = NAME_MAX; - if (ndirs > MAX_DIR_COUNT) - ndirs = MAX_DIR_COUNT; - if (ndirs < MIN_DIR_COUNT) - ndirs = MIN_DIR_COUNT; - dirchars = hexchars(ndirs); - pfxchars = nchars - minchars; - if (pfxchars) - memset(&name[dirchars + 1], 'a', pfxchars); - - cursize = firstsize; - for (j = 0; j < ndirs; j++) { - filename(0, j, name); - name[dirchars] = '\0'; - mkdir(name, 0777); - stime = now(); - for (i = 0; i < cursize; i++) { - filename((i + j) % cursize, j, name); - close(mkfile(name, attr)); - } - printf("%d %.3f\n", cursize, - (now() - stime) * 1.0e3 / (cursize * ndirs)); - cursize = nextsize(cursize); - } - return 0; -} - -static int -mkfile(char *name, char *attr) -{ - int fd; - ssize_t wrote, wsize; - off64_t bytes = fsize; - - if ((fd = open(name, O_WRONLY | O_CREAT | O_EXCL | O_DIRECT, 0666)) < 0) { - perror("open"); - exit(1); - } - if (attr_setf(fd, DMFATTRNAME, attr, DMFATTRLEN, ATTR_ROOT) < 0) { - perror("attr_setf"); - exit(1); - } - while (bytes > 0) { - wsize = (bsize < bytes) ? bsize : bytes; - if ((wrote = write(fd, buffer, wsize)) < 0) { - perror("write"); - exit(1); - } - bytes -= wrote; - } - return fd; -} - -static void -filename(int idx, int dir, char *name) -{ - static char hexc[16] = "0123456789abcdef"; - int i; - - for (i = dirchars - 1; i >= 0; i--) - *name++ = hexc[(dir >> (4 * i)) & 0xf]; - *name++ = '/'; - name += pfxchars; /* skip pfx a's */ - for (i = minchars - 1; i >= 0; i--) - *name++ = hexc[(idx >> (4 * i)) & 0xf]; - *name = '\0'; -} - -static int -hexchars(uint_t maxval) -{ - if (maxval < 16) - return 1; - if (maxval < 16 * 16) - return 2; - if (maxval < 16 * 16 * 16) - return 3; - if (maxval < 16 * 16 * 16 * 16) - return 4; - if (maxval < 16 * 16 * 16 * 16 * 16) - return 5; - if (maxval < 16 * 16 * 16 * 16 * 16 * 16) - return 6; - if (maxval < 16 * 16 * 16 * 16 * 16 * 16 * 16) - return 7; - return 8; -} - -static uint_t -nextsize(uint_t cursize) -{ - double n; - - n = cursize; - if (addval) - n += addval; - else - n *= mulval; - if (n > (double)lastsize + 0.5) - return lastsize + 1; /* i.e. out of bounds */ - else if ((uint_t)n == cursize) - return cursize + 1; - else - return (uint_t)n; -} - -static double -now(void) -{ - struct timeval tv; - - gettimeofday(&tv, NULL); - return (double)tv.tv_sec + 1.0e-6 * (double)tv.tv_usec; -} - -static void -usage(void) -{ - fprintf(stderr, - "usage: dirperf [-d dir] [-a addstep | -m mulstep] [-f first] " - "[-l last] [-c nchars] [-n ndirs] [-s size]\n"); -} -- 2.30.2