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authorDjalal Harouni <tixxdz@opendz.org>2014-04-23 23:03:35 +0100
committerLennart Poettering <lennart@poettering.net>2014-05-19 01:47:06 +0900
commit7e690cefd4f09bb6370f91611f623adea841bdf4 (patch)
tree67f382e502f6e3e3b3f43a24121965b95734978b /src/analyze
parent9be3455f55a5aa445ae8ae69301c54d19111d2e4 (diff)
analyze: read host and system information from remote
This makes "systemd-analyze plot" read host information from remote. While we are it show if this is a virtualized system. https://bugs.freedesktop.org/show_bug.cgi?id=76498 Reported-by: Zach <zachcook1991@gmail.com>
Diffstat (limited to 'src/analyze')
-rw-r--r--src/analyze/analyze.c109
1 files changed, 85 insertions, 24 deletions
diff --git a/src/analyze/analyze.c b/src/analyze/analyze.c
index ebaa9d025c..4c5fcfe8c2 100644
--- a/src/analyze/analyze.c
+++ b/src/analyze/analyze.c
@@ -100,6 +100,16 @@ 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 +180,6 @@ 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 +367,63 @@ 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 +489,10 @@ 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 +503,13 @@ 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, &times);
if (n <= 0)
- return n;
+ goto out;
qsort(times, n, sizeof(struct unit_times), compare_unit_start);
@@ -551,9 +604,14 @@ static int analyze_plot(sd_bus *bus) {
svg("<rect class=\"background\" width=\"100%%\" height=\"100%%\" />\n");
svg("<text x=\"20\" y=\"50\">%s</text>", pretty_times);
- svg("<text x=\"20\" y=\"30\">%s %s (%s %s) %s</text>",
- isempty(osname) ? "Linux" : osname,
- name.nodename, name.release, name.version, name.machine);
+ svg("<text x=\"20\" y=\"30\">%s %s (%s %s %s) %s %s</text>",
+ 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("<g transform=\"translate(%.3f,100)\">\n", 20.0 + (SCALE_X * boot->firmware_time));
svg_graph_box(m, -(double) boot->firmware_time, boot->finish_time);
@@ -636,7 +694,10 @@ 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,