chiark / gitweb /
analyze: change behaviour of combined --to/from--pattern
[elogind.git] / src / analyze / analyze.c
index 0a4190ceb4e7d995023b76400ebd0c73c04ca42a..1e2a6bbf25b036d6a24d0cb4a503759af5cac7b4 100644 (file)
@@ -25,7 +25,6 @@
 #include <getopt.h>
 #include <locale.h>
 #include <sys/utsname.h>
-#include <fnmatch.h>
 
 #include "sd-bus.h"
 #include "bus-util.h"
@@ -41,6 +40,7 @@
 #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 +74,7 @@ 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;
@@ -275,7 +276,8 @@ static int acquire_time_data(sd_bus *bus, struct unit_times **out) {
         return c;
 
 fail:
-        free_unit_times(unit_times, (unsigned) c);
+        if (unit_times)
+                free_unit_times(unit_times, (unsigned) c);
         return r;
 }
 
@@ -845,7 +847,8 @@ static int list_dependencies(sd_bus *bus, const char *name) {
         char ts[FORMAT_TIMESPAN_MAX];
         struct unit_times *times;
         int r;
-        const char *path, *id;
+        const char *id;
+        _cleanup_free_ char *path = NULL;
         _cleanup_bus_message_unref_ sd_bus_message *reply = NULL;
         _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
         struct boot_times *boot;
@@ -903,7 +906,7 @@ static int analyze_critical_chain(sd_bus *bus, char *names[]) {
         if (n <= 0)
                 return n;
 
-        h = hashmap_new(string_hash_func, string_compare_func);
+        h = hashmap_new(&string_hash_ops);
         if (!h)
                 return -ENOMEM;
 
@@ -971,56 +974,35 @@ static int graph_one_property(sd_bus *bus, const UnitInfo *u, const char* prop,
         _cleanup_strv_free_ char **units = NULL;
         char **unit;
         int r;
+        bool match_patterns;
 
         assert(u);
         assert(prop);
         assert(color);
 
+        match_patterns = strv_fnmatch(u->id, patterns, 0);
+
+        if (!strv_isempty(arg_dot_from_patterns) &&
+            !match_patterns &&
+            !strv_fnmatch(u->id, arg_dot_from_patterns, 0))
+                        return 0;
+
         r = bus_get_unit_property_strv(bus, u->unit_path, prop, &units);
         if (r < 0)
                 return r;
 
         STRV_FOREACH(unit, units) {
-                char **p;
-                bool match_found;
-
-                if (!strv_isempty(arg_dot_from_patterns)) {
-                        match_found = false;
-
-                        STRV_FOREACH(p, arg_dot_from_patterns)
-                                if (fnmatch(*p, u->id, 0) == 0) {
-                                        match_found = true;
-                                        break;
-                                }
-
-                        if (!match_found)
-                                continue;
-                }
+                bool match_patterns2;
 
-                if (!strv_isempty(arg_dot_to_patterns)) {
-                        match_found = false;
+                match_patterns2 = strv_fnmatch(*unit, patterns, 0);
 
-                        STRV_FOREACH(p, arg_dot_to_patterns)
-                                if (fnmatch(*p, *unit, 0) == 0) {
-                                        match_found = true;
-                                        break;
-                                }
-
-                        if (!match_found)
-                                continue;
-                }
-
-                if (!strv_isempty(patterns)) {
-                        match_found = false;
+                if (!strv_isempty(arg_dot_to_patterns) &&
+                    !match_patterns2 &&
+                    !strv_fnmatch(*unit, arg_dot_to_patterns, 0))
+                        continue;
 
-                        STRV_FOREACH(p, patterns)
-                                if (fnmatch(*p, u->id, 0) == 0 || fnmatch(*p, *unit, 0) == 0) {
-                                        match_found = true;
-                                        break;
-                                }
-                        if (!match_found)
-                                continue;
-                }
+                if (!strv_isempty(patterns) && !match_patterns && !match_patterns2)
+                        continue;
 
                 printf("\t\"%s\"->\"%s\" [color=\"%s\"];\n", u->id, *unit, color);
         }
@@ -1178,43 +1160,40 @@ 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"
-               "     --require            When generating a dependency graph, show only requirement\n"
-               "     --from-pattern=GLOB, --to-pattern=GLOB\n"
-               "                          When generating a dependency graph, filter only origins\n"
-               "                          or destinations, respectively\n"
-               "     --fuzz=TIMESPAN      When printing the tree of the critical chain, print also\n"
-               "                          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"
+               "     --order              Show only order in the graph\n"
+               "     --require            Show only requirement in the graph\n"
+               "     --from-pattern=GLOB  Show only origins in the graph\n"
+               "     --to-pattern=GLOB    Show only destinations in the graph\n"
+               "     --fuzz=SECONDS       Also print also services which finished SECONDS\n"
+               "                          earlier than the latest in the branch\n"
+               "     --man[=BOOL]         Do [not] check for existence of man pages\n\n"
                "Commands:\n"
-               "  time                    Print time spent in the kernel before reaching userspace\n"
+               "  time                    Print time spent in the kernel\n"
                "  blame                   Print list of running units ordered by time to init\n"
                "  critical-chain          Print a tree of the time critical chain of units\n"
                "  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 FILE...          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[]) {
@@ -1227,7 +1206,8 @@ 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_MAN,
         };
 
         static const struct option options[] = {
@@ -1241,6 +1221,7 @@ 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         },
+                { "man",          optional_argument, NULL, ARG_MAN              },
                 { "host",         required_argument, NULL, 'H'                  },
                 { "machine",      required_argument, NULL, 'M'                  },
                 {}
@@ -1251,12 +1232,12 @@ 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);
@@ -1307,23 +1288,35 @@ static int parse_argv(int argc, char *argv[]) {
                         break;
 
                 case 'M':
-                        arg_transport = BUS_TRANSPORT_CONTAINER;
+                        arg_transport = BUS_TRANSPORT_MACHINE;
                         arg_host = optarg;
                         break;
 
+                case ARG_MAN:
+                        if (optarg) {
+                                r = parse_boolean(optarg);
+                                if (r < 0) {
+                                        log_error("Failed to parse --man= argument.");
+                                        return -EINVAL;
+                                }
+
+                                arg_man = !!r;
+                        } else
+                                arg_man = true;
+
+                        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, "");
@@ -1335,28 +1328,36 @@ int main(int argc, char *argv[]) {
         if (r <= 0)
                 goto finish;
 
-        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 (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_errno(r, "Failed to create bus connection: %m");
+                        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();