X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=src%2Fanalyze%2Fanalyze.c;h=fdbce7cda87a09fd7c88f73105adb7d971b8375d;hp=ebaa9d025c22cbd77164ba143c55ce706573b740;hb=4d8ddba9d71e51356cc9488f906b8fef89c60c23;hpb=a213b7e977221ca96bbc1b19a5a879c912ba2488 diff --git a/src/analyze/analyze.c b/src/analyze/analyze.c index ebaa9d025..fdbce7cda 100644 --- a/src/analyze/analyze.c +++ b/src/analyze/analyze.c @@ -41,6 +41,7 @@ #include "special.h" #include "hashmap.h" #include "pager.h" +#include "analyze-verify.h" #define SCALE_X (0.1 / 1000.0) /* pixels per us */ #define SCALE_Y (20.0) @@ -74,6 +75,7 @@ static bool arg_no_pager = false; static BusTransport arg_transport = BUS_TRANSPORT_LOCAL; static char *arg_host = NULL; static bool arg_user = false; +static bool arg_man = true; struct boot_times { usec_t firmware_time; @@ -100,6 +102,16 @@ struct unit_times { usec_t time; }; +struct host_info { + char *hostname; + char *kernel_name; + char *kernel_release; + char *kernel_version; + char *os_pretty_name; + char *virtualization; + char *architecture; +}; + static void pager_open_if_enabled(void) { if (arg_no_pager) @@ -170,21 +182,6 @@ static int compare_unit_start(const void *a, const void *b) { ((struct unit_times *)b)->activating); } -static int get_os_name(char **_n) { - char *n = NULL; - int r; - - r = parse_env_file("/etc/os-release", NEWLINE, "PRETTY_NAME", &n, NULL); - if (r < 0) - return r; - - if (!n) - return -ENOENT; - - *_n = n; - return 0; -} - static void free_unit_times(struct unit_times *t, unsigned n) { struct unit_times *p; @@ -372,6 +369,63 @@ finish: return 0; } +static void free_host_info(struct host_info *hi) { + free(hi->hostname); + free(hi->kernel_name); + free(hi->kernel_release); + free(hi->kernel_version); + free(hi->os_pretty_name); + free(hi->virtualization); + free(hi->architecture); + free(hi); +} + +static int acquire_host_info(sd_bus *bus, struct host_info **hi) { + int r; + struct host_info *host; + + static const struct bus_properties_map hostname_map[] = { + { "Hostname", "s", NULL, offsetof(struct host_info, hostname) }, + { "KernelName", "s", NULL, offsetof(struct host_info, kernel_name) }, + { "KernelRelease", "s", NULL, offsetof(struct host_info, kernel_release) }, + { "KernelVersion", "s", NULL, offsetof(struct host_info, kernel_version) }, + { "OperatingSystemPrettyName", "s", NULL, offsetof(struct host_info, os_pretty_name) }, + {} + }; + + static const struct bus_properties_map manager_map[] = { + { "Virtualization", "s", NULL, offsetof(struct host_info, virtualization) }, + { "Architecture", "s", NULL, offsetof(struct host_info, architecture) }, + {} + }; + + host = new0(struct host_info, 1); + if (!host) + return log_oom(); + + r = bus_map_all_properties(bus, + "org.freedesktop.hostname1", + "/org/freedesktop/hostname1", + hostname_map, + host); + if (r < 0) + goto fail; + + r = bus_map_all_properties(bus, + "org.freedesktop.systemd1", + "/org/freedesktop/systemd1", + manager_map, + host); + if (r < 0) + goto fail; + + *hi = host; + return 0; +fail: + free_host_info(host); + return r; +} + static int pretty_boot_time(sd_bus *bus, char **_buf) { char ts[FORMAT_TIMESPAN_MAX]; struct boot_times *t; @@ -437,10 +491,10 @@ static void svg_graph_box(double height, double begin, double end) { static int analyze_plot(sd_bus *bus) { struct unit_times *times; struct boot_times *boot; - struct utsname name; + struct host_info *host = NULL; int n, m = 1, y=0; double width; - _cleanup_free_ char *pretty_times = NULL, *osname = NULL; + _cleanup_free_ char *pretty_times = NULL; struct unit_times *u; n = acquire_boot_times(bus, &boot); @@ -451,12 +505,13 @@ static int analyze_plot(sd_bus *bus) { if (n < 0) return n; - get_os_name(&osname); - assert_se(uname(&name) >= 0); + n = acquire_host_info(bus, &host); + if (n < 0) + return n; n = acquire_time_data(bus, ×); if (n <= 0) - return n; + goto out; qsort(times, n, sizeof(struct unit_times), compare_unit_start); @@ -551,9 +606,14 @@ static int analyze_plot(sd_bus *bus) { svg("\n"); svg("%s", pretty_times); - svg("%s %s (%s %s) %s", - isempty(osname) ? "Linux" : osname, - name.nodename, name.release, name.version, name.machine); + svg("%s %s (%s %s %s) %s %s", + isempty(host->os_pretty_name) ? "Linux" : host->os_pretty_name, + isempty(host->hostname) ? "" : host->hostname, + isempty(host->kernel_name) ? "" : host->kernel_name, + isempty(host->kernel_release) ? "" : host->kernel_release, + isempty(host->kernel_version) ? "" : host->kernel_version, + isempty(host->architecture) ? "" : host->architecture, + isempty(host->virtualization) ? "" : host->virtualization); svg("\n", 20.0 + (SCALE_X * boot->firmware_time)); svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time); @@ -636,7 +696,10 @@ static int analyze_plot(sd_bus *bus) { free_unit_times(times, (unsigned) n); - return 0; + n = 0; +out: + free_host_info(host); + return n; } static int list_dependencies_print(const char *name, unsigned int level, unsigned int branches, @@ -1117,17 +1180,17 @@ static int set_log_level(sd_bus *bus, char **args) { return 0; } -static int help(void) { +static void help(void) { pager_open_if_enabled(); printf("%s [OPTIONS...] {COMMAND} ...\n\n" - "Process systemd profiling information.\n\n" + "Profile systemd, show unit dependencies, check unit files.\n\n" " -h --help Show this help\n" " --version Show package version\n" " --no-pager Do not pipe output into a pager\n" - " --system Connect to system manager\n" - " --user Connect to user manager\n" + " --system Operate on system systemd instance\n" + " --user Operate on user systemd instance\n" " -H --host=[USER@]HOST Operate on remote host\n" " -M --machine=CONTAINER Operate on local container\n" " --order When generating a dependency graph, show only order\n" @@ -1139,6 +1202,7 @@ static int help(void) { " services, which finished TIMESPAN earlier, than the\n" " latest in the branch. The unit of TIMESPAN is seconds\n" " unless specified with a different unit, i.e. 50ms\n\n" + " --no-man Do not check for existence of man pages\n" "Commands:\n" " time Print time spent in the kernel before reaching userspace\n" " blame Print list of running units ordered by time to init\n" @@ -1146,14 +1210,13 @@ static int help(void) { " plot Output SVG graphic showing service initialization\n" " dot Output dependency graph in dot(1) format\n" " set-log-level LEVEL Set logging threshold for systemd\n" - " dump Output state serialization of service manager\n", - program_invocation_short_name); + " dump Output state serialization of service manager\n" + " verify Check unit files for correctness\n" + , program_invocation_short_name); /* When updating this list, including descriptions, apply - * changes to shell-completion/bash/systemd and - * shell-completion/systemd-zsh-completion.zsh too. */ - - return 0; + * changes to shell-completion/bash/systemd-analyze and + * shell-completion/zsh/_systemd-analyze too. */ } static int parse_argv(int argc, char *argv[]) { @@ -1166,7 +1229,8 @@ static int parse_argv(int argc, char *argv[]) { ARG_DOT_FROM_PATTERN, ARG_DOT_TO_PATTERN, ARG_FUZZ, - ARG_NO_PAGER + ARG_NO_PAGER, + ARG_NO_MAN, }; static const struct option options[] = { @@ -1180,6 +1244,7 @@ static int parse_argv(int argc, char *argv[]) { { "to-pattern", required_argument, NULL, ARG_DOT_TO_PATTERN }, { "fuzz", required_argument, NULL, ARG_FUZZ }, { "no-pager", no_argument, NULL, ARG_NO_PAGER }, + { "no-man", no_argument, NULL, ARG_NO_MAN }, { "host", required_argument, NULL, 'H' }, { "machine", required_argument, NULL, 'M' }, {} @@ -1190,12 +1255,12 @@ static int parse_argv(int argc, char *argv[]) { assert(argc >= 0); assert(argv); - while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0) { - + while ((c = getopt_long(argc, argv, "hH:M:", options, NULL)) >= 0) switch (c) { case 'h': - return help(); + help(); + return 0; case ARG_VERSION: puts(PACKAGE_STRING); @@ -1250,19 +1315,21 @@ static int parse_argv(int argc, char *argv[]) { arg_host = optarg; break; + case ARG_NO_MAN: + arg_man = false; + break; + case '?': return -EINVAL; default: - assert_not_reached("Unhandled option"); + assert_not_reached("Unhandled option code."); } - } - return 1; + return 1; /* work to do */ } int main(int argc, char *argv[]) { - _cleanup_bus_unref_ sd_bus *bus = NULL; int r; setlocale(LC_ALL, ""); @@ -1274,28 +1341,36 @@ int main(int argc, char *argv[]) { if (r <= 0) goto finish; - r = bus_open_transport(arg_transport, arg_host, arg_user, &bus); - if (r < 0) { - log_error("Failed to create bus connection: %s", strerror(-r)); - goto finish; - } + if (streq_ptr(argv[optind], "verify")) + r = verify_units(argv+optind+1, + arg_user ? SYSTEMD_USER : SYSTEMD_SYSTEM, + arg_man); + else { + _cleanup_bus_close_unref_ sd_bus *bus = NULL; + + r = bus_open_transport_systemd(arg_transport, arg_host, arg_user, &bus); + if (r < 0) { + log_error("Failed to create bus connection: %s", strerror(-r)); + goto finish; + } - if (!argv[optind] || streq(argv[optind], "time")) - r = analyze_time(bus); - else if (streq(argv[optind], "blame")) - r = analyze_blame(bus); - else if (streq(argv[optind], "critical-chain")) - r = analyze_critical_chain(bus, argv+optind+1); - else if (streq(argv[optind], "plot")) - r = analyze_plot(bus); - else if (streq(argv[optind], "dot")) - r = dot(bus, argv+optind+1); - else if (streq(argv[optind], "dump")) - r = dump(bus, argv+optind+1); - else if (streq(argv[optind], "set-log-level")) - r = set_log_level(bus, argv+optind+1); - else - log_error("Unknown operation '%s'.", argv[optind]); + if (!argv[optind] || streq(argv[optind], "time")) + r = analyze_time(bus); + else if (streq(argv[optind], "blame")) + r = analyze_blame(bus); + else if (streq(argv[optind], "critical-chain")) + r = analyze_critical_chain(bus, argv+optind+1); + else if (streq(argv[optind], "plot")) + r = analyze_plot(bus); + else if (streq(argv[optind], "dot")) + r = dot(bus, argv+optind+1); + else if (streq(argv[optind], "dump")) + r = dump(bus, argv+optind+1); + else if (streq(argv[optind], "set-log-level")) + r = set_log_level(bus, argv+optind+1); + else + log_error("Unknown operation '%s'.", argv[optind]); + } finish: pager_close();