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https://github.com/ibm-s390-linux/s390-tools.git
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Initial s390-tools-2.0.0 import
This commit is based on the s390-tools-1.39.0 version. Changes on top of s390-tools-1.39.0: - Add MIT license to all source files - Add LICENSE file - Transform REAMDE to README.md (markdown) - Add AUTHORS.md file - Add CONTRIBUTING.md file - Move changelog from README to CHANGELOG.md file Reviewed-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
This commit is contained in:
Michael Holzheu
@@ -0,0 +1,378 @@
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/*
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* FCP report generators
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*
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* Utilization report program
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*
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* Copyright IBM Corp. 2008, 2017
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*
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* s390-tools is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <linux/types.h>
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#define __STDC_LIMIT_MACROS
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#include <stdint.h>
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#include <assert.h>
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#include <limits.h>
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#include <list>
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#include "lib/zt_common.h"
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#include "ziorep_framer.hpp"
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#include "ziorep_printers.hpp"
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#include "ziorep_frameset.hpp"
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#include "ziorep_utils.hpp"
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#include "ziorep_collapser.hpp"
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extern "C" {
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#include "ziomon_msg_tools.h"
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}
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using std::list;
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const char *toolname = "ziorep_utilization";
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int verbose=0;
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struct options {
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__u64 begin;
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__u64 end;
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__u32 interval;
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list<__u32> chpids;
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__u64 topline;
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char* filename;
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bool print_summary;
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bool csv_export;
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};
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static void init_opts(struct options *opts)
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{
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opts->begin = 0;
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opts->end = UINT64_MAX;
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opts->interval = UINT32_MAX;
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opts->topline = 0;
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opts->filename = NULL;
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opts->print_summary = false;
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opts->csv_export = false;
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}
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static const char help_text[] =
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"Usage: ziorep_utilization [-V] [-v] [-h] [-b <begin>] [-e <end>] [-i <time>]\n"
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" [-x] [-s] [-c <chpid>] [-t <num>] <filename>\n\n"
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"-h, --help Print usage information and exit.\n"
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"-v, --version Print version information and exit.\n"
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"-V, --verbose Be verbose.\n"
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"-b, --begin <begin> Do not consider data earlier than 'begin'.\n"
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" Defaults to begin of available data.\n"
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" Format is YYYY-MM-DD HH:MM[:SS],\n"
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" e.g. '-b \"2008-03-21 09:08\"\n"
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"-e, --end <end> Do not consider data later than 'end'.\n"
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" Defaults to end of available data.\n"
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" Format is YYYY-MM-DD HH:MM[:SS],\n"
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" e.g. '-e \"2008-03-21 09:08:57\"\n"
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"-i, --interval <time> Set aggregation interval to 'time' in seconds.\n"
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" Must be a multiple of the interval size of the source\n"
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" data.\n"
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" Set to 0 to aggregate over all data.\n"
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"-s, --summary Show a summary of the data.\n"
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"-c, --chpid <chpid> Select physical adapter in hex.\n"
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" E.g. '-c 32a'\n"
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"-x, --export-csv Export data to files in CSV format.\n"
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"-t, --topline <num> Repeat topline after every 'num' frames.\n"
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" 0 for no repeat (default).\n";
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static void print_help()
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{
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printf("%s", help_text);
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}
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static void print_version()
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{
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printf("%s: Utilization report generator version %s\n"
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"Copyright IBM Corp. 2008, 2017\n", toolname, RELEASE_STRING);
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}
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static int parse_params(int argc, char **argv, struct options *opts)
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{
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int c;
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int index;
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int rc;
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__u32 tmp;
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long tmpl;
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static struct option long_options[] = {
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{ "version", no_argument, NULL, 'v'},
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{ "help", no_argument, NULL, 'h'},
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{ "verbose", no_argument, NULL, 'V'},
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{ "begin", required_argument, NULL, 'b'},
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{ "end", required_argument, NULL, 'e'},
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{ "interval", required_argument, NULL, 'i'},
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{ "summary", no_argument, NULL, 's'},
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{ "chpid", required_argument, NULL, 'c'},
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{ "export-csv", no_argument, NULL, 'x'},
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{ "topline", required_argument, NULL, 't'},
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{ 0, 0, 0, 0 }
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};
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if (argc < 2) {
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print_help();
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return 1;
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}
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assert(sizeof(long long int) == sizeof(__u64));
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while ((c = getopt_long(argc, argv, "b:e:i:c:t:xshvV",
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long_options, &index)) != EOF) {
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switch (c) {
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case 'V':
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verbose++;
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break;
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case 'h':
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print_help();
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return 1;
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case 'v':
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print_version();
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return 1;
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case 'b':
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if (get_datetime_val(optarg, &opts->begin))
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return -1;
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break;
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case 'e':
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if (get_datetime_val(optarg, &opts->end))
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return -1;
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break;
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case 'i':
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if (sscanf(optarg, "%lu", &tmpl) != 1) {
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fprintf(stderr, "%s: Cannot parse %s as an integer value."
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" Please correct and try again.\n", toolname,
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optarg);
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return -1;
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}
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if (tmpl < 0) {
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fprintf(stderr, "%s: Argument %s must be greater than or"
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" equal to 0.", toolname, optarg);
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return -1;
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}
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opts->interval = tmpl;
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break;
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case 's':
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opts->print_summary = true;
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break;
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case 'c':
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rc = sscanf(optarg, "%x", &tmp);
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if (rc != 1) {
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fprintf(stderr, "Error: Could not read chpid"
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" %s\n", optarg);
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return -1;
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}
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opts->chpids.push_back(tmp);
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break;
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case 'x':
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opts->csv_export = true;
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break;
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case 't':
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if (parse_topline_arg(optarg, &opts->topline))
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return -1;
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break;
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default:
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fprintf(stderr, "%s: Try '%s --help' for"
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" more information.\n", toolname, toolname);
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return -1;
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}
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}
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if (optind == argc - 1)
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opts->filename = argv[optind];
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if (optind < argc - 1) {
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fprintf(stderr, "%s: Multiple filenames"
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" specified. Specify only a single one at a time.\n", toolname);
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return -1;
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}
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return 0;
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}
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static int check_opts(struct options *opts, ConfigReader **cfg)
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{
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int rc = 0;
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// check filename
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if (!opts->filename) {
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fprintf(stderr, "%s: No filename"
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" specified.\n", toolname);
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return -2;
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}
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else {
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if (strncmp(opts->filename + strlen(opts->filename)
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- strlen(DACC_FILE_EXT_LOG), DACC_FILE_EXT_LOG,
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strlen(DACC_FILE_EXT_LOG)) == 0) {
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verbose_msg("Filename carries " DACC_FILE_EXT_LOG
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" extension - stripping\n");
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opts->filename[strlen(opts->filename)
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- strlen(DACC_FILE_EXT_LOG)] = '\0';
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}
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if (strncmp(opts->filename + strlen(opts->filename)
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- strlen(DACC_FILE_EXT_AGG), DACC_FILE_EXT_AGG,
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strlen(DACC_FILE_EXT_AGG)) == 0) {
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verbose_msg("Filename carries " DACC_FILE_EXT_AGG
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" extension - stripping\n");
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opts->filename[strlen(opts->filename)
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- strlen(DACC_FILE_EXT_AGG)] = '\0';
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}
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verbose_msg("Filename is %s\n", opts->filename);
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}
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// check config
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*cfg = new ConfigReader(&rc, opts->filename);
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if (rc)
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return -1;
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// check optional chpids
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for (list<__u32>::const_iterator i = opts->chpids.begin();
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i != opts->chpids.end(); ++i) {
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if (!(*cfg)->verify_chpid(*i)) {
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fprintf(stderr, "Error: Could not find chpid %x in"
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" configuration.\n", *i);
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rc = -2;
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}
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}
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if (opts->csv_export && opts->topline > 0) {
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fprintf(stderr, "%s: Warning: Both, topline"
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" repeat and CSV export activated, deactivating"
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" topline repeat.\n", toolname);
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opts->topline = 0;
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}
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if (!opts->print_summary
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&& adjust_timeframe(opts->filename, &opts->begin, &opts->end,
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&opts->interval))
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rc = -3;
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return rc;
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}
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static int print_reports(struct options *opts, ConfigReader &cfg)
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{
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int rc = 0;
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PhysAdapterPrinter physPrnt(&cfg, opts->csv_export);
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VirtAdapterPrinter virtPrnt(&cfg, opts->csv_export);
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Aggregator agg = devno;
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StagedDeviceFilter dev_filt;
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NoopCollapser noop_col;
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list<__u32> devnos;
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list<__u32> chpids;
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list<MsgTypes> type_flt;
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AggregationCollapser *col = NULL;
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FILE *fp;
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if (opts->chpids.size())
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chpids = opts->chpids;
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else
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cfg.get_unique_chpids(chpids);
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cfg.get_unique_mms(devnos);
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// add all HBAs and all devices connected to them
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for (list<__u32>::const_iterator i = chpids.begin();
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i != chpids.end(); ++i) {
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cfg.get_devnos_by_chpid(devnos, *i);
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for (list<__u32>::const_iterator j = devnos.begin();
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j != devnos.end(); ++j)
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dev_filt.stage_devno(*j);
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}
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dev_filt.finish(cfg, false);
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col = new AggregationCollapser(cfg, agg, dev_filt, &rc);
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type_flt.push_back(utilization);
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if (opts->csv_export) {
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fp = open_csv_output_file(opts->filename,
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"_util_phys_adpt.csv", &rc);
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if (!fp)
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goto out;
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}
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else
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fp = stdout;
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if ( (rc = print_report(fp, opts->begin, opts->end,
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opts->interval, opts->filename, opts->topline,
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&type_flt, dev_filt, noop_col,
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physPrnt)) < 0 ) {
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rc = -3;
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goto out1;
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}
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if (rc == 0)
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fprintf(stderr, "%s: No eligible data found.\n", toolname);
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if (opts->csv_export) {
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fclose(fp);
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fp = open_csv_output_file(opts->filename,
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"_util_virt_adpt.csv", &rc);
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if (!fp)
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goto out;
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}
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else {
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fp = stdout;
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fputc('\n', fp);
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}
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if (print_report(fp, opts->begin, opts->end, opts->interval,
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opts->filename, opts->topline, NULL, dev_filt,
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*col, virtPrnt)) {
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rc = -4;
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goto out1;
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}
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out1:
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if (opts->csv_export)
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fclose(fp);
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out:
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delete col;
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return rc;
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}
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int main(int argc, char **argv)
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{
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int rc;
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struct options opts;
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ConfigReader *cfg = NULL;
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verbose = 0;
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init_opts(&opts);
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if ( (rc = parse_params(argc, argv, &opts)) ) {
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if (rc == 1)
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rc = 0;
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goto out;
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}
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if ( (rc = check_opts(&opts, &cfg)) )
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goto out;
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if (opts.print_summary)
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rc = print_summary_report(stdout, opts.filename, *cfg);
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else
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rc = print_reports(&opts, *cfg);
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out:
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delete cfg;
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return rc;
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}
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