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-rw-r--r--src/boot/boot-efi.c2
-rw-r--r--src/core/manager.c4
-rw-r--r--src/efi-boot-generator/efi-boot-generator.c2
-rw-r--r--src/shared/acpi-fpdt.c155
-rw-r--r--src/shared/acpi-fpdt.h26
-rw-r--r--src/shared/boot-timestamps.c65
-rw-r--r--src/shared/boot-timestamps.h27
-rw-r--r--src/shared/efivars.c41
-rw-r--r--src/shared/efivars.h5
-rw-r--r--src/test/test-boot-timestamps.c98
-rw-r--r--src/test/test-efivars.c47
11 files changed, 380 insertions, 92 deletions
diff --git a/src/boot/boot-efi.c b/src/boot/boot-efi.c
index 9960c4d74..33840b686 100644
--- a/src/boot/boot-efi.c
+++ b/src/boot/boot-efi.c
@@ -174,7 +174,7 @@ int boot_info_query(struct boot_info *info) {
efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderFirmwareInfo", &info->fw_info);
efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderImageIdentifier", &info->loader_image_path);
tilt_slashes(info->loader_image_path);
- efi_get_loader_device_part_uuid(&info->loader_part_uuid);
+ efi_loader_get_device_part_uuid(&info->loader_part_uuid);
boot_loader_read_entries(info);
efi_get_variable_string(EFI_VENDOR_LOADER, "LoaderEntrySelected", &loader_active);
diff --git a/src/core/manager.c b/src/core/manager.c
index 079db4157..f70ff0303 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -70,7 +70,7 @@
#include "cgroup-util.h"
#include "path-util.h"
#include "audit-fd.h"
-#include "efivars.h"
+#include "boot-timestamps.h"
#include "env-util.h"
/* As soon as 5s passed since a unit was added to our GC queue, make sure to run a gc sweep */
@@ -496,7 +496,7 @@ int manager_new(SystemdRunningAs running_as, bool reexecuting, Manager **_m) {
#ifdef ENABLE_EFI
if (detect_container(NULL) <= 0)
- efi_get_boot_timestamps(&m->userspace_timestamp, &m->firmware_timestamp, &m->loader_timestamp);
+ boot_timestamps(&m->userspace_timestamp, &m->firmware_timestamp, &m->loader_timestamp);
#endif
m->running_as = running_as;
diff --git a/src/efi-boot-generator/efi-boot-generator.c b/src/efi-boot-generator/efi-boot-generator.c
index 4367c536b..05b95ed45 100644
--- a/src/efi-boot-generator/efi-boot-generator.c
+++ b/src/efi-boot-generator/efi-boot-generator.c
@@ -55,7 +55,7 @@ int main(int argc, char *argv[]) {
if (dir_is_empty("/boot") <= 0)
return EXIT_SUCCESS;
- r = efi_get_loader_device_part_uuid(&id);
+ r = efi_loader_get_device_part_uuid(&id);
if (r == -ENOENT)
return EXIT_SUCCESS;
if (r < 0) {
diff --git a/src/shared/acpi-fpdt.c b/src/shared/acpi-fpdt.c
new file mode 100644
index 000000000..b094f34a5
--- /dev/null
+++ b/src/shared/acpi-fpdt.c
@@ -0,0 +1,155 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Kay Sievers
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+
+#include <util.h>
+#include <fileio.h>
+#include <time-util.h>
+#include <acpi-fpdt.h>
+
+struct acpi_table_header {
+ char signature[4];
+ uint32_t length;
+ uint8_t revision;
+ uint8_t checksum;
+ char oem_id[6];
+ char oem_table_id[8];
+ uint32_t oem_revision;
+ char asl_compiler_id[4];
+ uint32_t asl_compiler_revision;
+};
+
+enum {
+ ACPI_FPDT_TYPE_BOOT = 0,
+ ACPI_FPDT_TYPE_S3PERF = 1,
+};
+
+struct acpi_fpdt_header {
+ uint16_t type;
+ uint8_t length;
+ uint8_t revision;
+ uint8_t reserved[4];
+ uint64_t ptr;
+};
+
+struct acpi_fpdt_boot_header {
+ char signature[4];
+ uint32_t length;
+};
+
+enum {
+ ACPI_FPDT_S3PERF_RESUME_REC = 0,
+ ACPI_FPDT_S3PERF_SUSPEND_REC = 1,
+ ACPI_FPDT_BOOT_REC = 2,
+};
+
+struct acpi_fpdt_boot {
+ uint16_t type;
+ uint8_t length;
+ uint8_t revision;
+ uint8_t reserved[4];
+ uint64_t reset_end;
+ uint64_t load_start;
+ uint64_t startup_start;
+ uint64_t exit_services_entry;
+ uint64_t exit_services_exit;
+};
+
+int acpi_get_boot_usec(usec_t *loader_start, usec_t *loader_exit) {
+ char *buf;
+ struct acpi_table_header *tbl;
+ size_t l;
+ struct acpi_fpdt_header *rec;
+ int r;
+ uint64_t ptr = 0;
+ _cleanup_close_ int fd = -1;
+ struct acpi_fpdt_boot_header hbrec;
+ struct acpi_fpdt_boot brec;
+
+ r = read_full_file("/sys/firmware/acpi/tables/FPDT", &buf, &l);
+ if (r < 0)
+ return r;
+
+ if (l < sizeof(struct acpi_table_header) + sizeof(struct acpi_fpdt_header))
+ return -EINVAL;
+
+ tbl = (struct acpi_table_header *)buf;
+ if (l != tbl->length)
+ return -EINVAL;
+
+ if (memcmp(tbl->signature, "FPDT", 4) != 0)
+ return -EINVAL;
+
+ /* find Firmware Basic Boot Performance Pointer Record */
+ for (rec = (struct acpi_fpdt_header *)(buf + sizeof(struct acpi_table_header));
+ (char *)rec < buf + l;
+ rec = (struct acpi_fpdt_header *)((char *)rec + rec->length)) {
+ if (rec->type != ACPI_FPDT_TYPE_BOOT)
+ continue;
+ if (rec->length != sizeof(struct acpi_fpdt_header))
+ continue;
+
+ ptr = rec->ptr;
+ break;
+ }
+
+ if (ptr == 0)
+ return -EINVAL;
+
+ /* read Firmware Basic Boot Performance Data Record */
+ fd = open("/dev/mem", O_CLOEXEC|O_RDONLY);
+ if (fd < 0)
+ return -errno;
+
+ l = pread(fd, &hbrec, sizeof(struct acpi_fpdt_boot_header), ptr);
+ if (l != sizeof(struct acpi_fpdt_boot_header))
+ return -EINVAL;
+
+ if (memcmp(hbrec.signature, "FBPT", 4) != 0)
+ return -EINVAL;
+
+ if (hbrec.length < sizeof(struct acpi_fpdt_boot_header) + sizeof(struct acpi_fpdt_boot))
+ return -EINVAL;
+
+ l = pread(fd, &brec, sizeof(struct acpi_fpdt_boot), ptr + sizeof(struct acpi_fpdt_boot_header));
+ if (l != sizeof(struct acpi_fpdt_boot))
+ return -EINVAL;
+
+ if (brec.length != sizeof(struct acpi_fpdt_boot))
+ return -EINVAL;
+
+ if (brec.type != ACPI_FPDT_BOOT_REC)
+ return -EINVAL;
+
+ if (loader_start)
+ *loader_start = brec.startup_start / 1000;
+ if (loader_exit)
+ *loader_exit = brec.exit_services_exit / 1000;
+
+ return 0;
+}
diff --git a/src/shared/acpi-fpdt.h b/src/shared/acpi-fpdt.h
new file mode 100644
index 000000000..fc4fe6f10
--- /dev/null
+++ b/src/shared/acpi-fpdt.h
@@ -0,0 +1,26 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Kay Sievers
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <time-util.h>
+
+int acpi_get_boot_usec(usec_t *loader_start, usec_t *loader_exit);
diff --git a/src/shared/boot-timestamps.c b/src/shared/boot-timestamps.c
new file mode 100644
index 000000000..944996582
--- /dev/null
+++ b/src/shared/boot-timestamps.c
@@ -0,0 +1,65 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2012 Lennart Poettering
+ Copyright 2013 Kay Sievers
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+#include <unistd.h>
+
+#include "boot-timestamps.h"
+#include "acpi-fpdt.h"
+#include "efivars.h"
+
+int boot_timestamps(const dual_timestamp *n, dual_timestamp *firmware, dual_timestamp *loader) {
+ usec_t x, y, a;
+ int r;
+ dual_timestamp _n;
+
+ assert(firmware);
+ assert(loader);
+
+ if (!n) {
+ dual_timestamp_get(&_n);
+ n = &_n;
+ }
+
+ r = acpi_get_boot_usec(&x, &y);
+ if (r < 0) {
+ r = efi_loader_get_boot_usec(&x, &y);
+ if (r < 0)
+ return r;
+ }
+
+ /* Let's convert this to timestamps where the firmware
+ * began/loader began working. To make this more confusing:
+ * since usec_t is unsigned and the kernel's monotonic clock
+ * begins at kernel initialization we'll actually initialize
+ * the monotonic timestamps here as negative of the actual
+ * value. */
+
+ firmware->monotonic = y;
+ loader->monotonic = y - x;
+
+ a = n->monotonic + firmware->monotonic;
+ firmware->realtime = n->realtime > a ? n->realtime - a : 0;
+
+ a = n->monotonic + loader->monotonic;
+ loader->realtime = n->realtime > a ? n->realtime - a : 0;
+
+ return 0;
+}
diff --git a/src/shared/boot-timestamps.h b/src/shared/boot-timestamps.h
new file mode 100644
index 000000000..a3d2405b5
--- /dev/null
+++ b/src/shared/boot-timestamps.h
@@ -0,0 +1,27 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+#pragma once
+
+/***
+ This file is part of systemd.
+
+ Copyright 2012 Lennart Poettering
+ Copyright 2013 Kay Sievers
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include <time-util.h>
+
+int boot_timestamps(const dual_timestamp *n, dual_timestamp *firmware, dual_timestamp *loader);
diff --git a/src/shared/efivars.c b/src/shared/efivars.c
index 8d004bad3..1d5b6f9e7 100644
--- a/src/shared/efivars.c
+++ b/src/shared/efivars.c
@@ -24,6 +24,7 @@
#include <fcntl.h>
#include <ctype.h>
+#include "acpi-fpdt.h"
#include "util.h"
#include "utf8.h"
#include "efivars.h"
@@ -413,7 +414,7 @@ static int read_usec(sd_id128_t vendor, const char *name, usec_t *u) {
return 0;
}
-static int get_boot_usec(usec_t *firmware, usec_t *loader) {
+int efi_loader_get_boot_usec(usec_t *firmware, usec_t *loader) {
uint64_t x, y;
int r;
@@ -440,43 +441,7 @@ static int get_boot_usec(usec_t *firmware, usec_t *loader) {
return 0;
}
-int efi_get_boot_timestamps(const dual_timestamp *n, dual_timestamp *firmware, dual_timestamp *loader) {
- usec_t x, y, a;
- int r;
- dual_timestamp _n;
-
- assert(firmware);
- assert(loader);
-
- if (!n) {
- dual_timestamp_get(&_n);
- n = &_n;
- }
-
- r = get_boot_usec(&x, &y);
- if (r < 0)
- return r;
-
- /* Let's convert this to timestamps where the firmware
- * began/loader began working. To make this more confusing:
- * since usec_t is unsigned and the kernel's monotonic clock
- * begins at kernel initialization we'll actually initialize
- * the monotonic timestamps here as negative of the actual
- * value. */
-
- firmware->monotonic = y;
- loader->monotonic = y - x;
-
- a = n->monotonic + firmware->monotonic;
- firmware->realtime = n->realtime > a ? n->realtime - a : 0;
-
- a = n->monotonic + loader->monotonic;
- loader->realtime = n->realtime > a ? n->realtime - a : 0;
-
- return 0;
-}
-
-int efi_get_loader_device_part_uuid(sd_id128_t *u) {
+int efi_loader_get_device_part_uuid(sd_id128_t *u) {
_cleanup_free_ char *p = NULL;
int r, parsed[16];
unsigned i;
diff --git a/src/shared/efivars.h b/src/shared/efivars.h
index 2b88c6075..7921bedc9 100644
--- a/src/shared/efivars.h
+++ b/src/shared/efivars.h
@@ -42,6 +42,5 @@ int efi_get_boot_option(uint16_t nr, char **title, sd_id128_t *partuuid, char **
int efi_get_boot_order(uint16_t **order);
int efi_get_boot_options(uint16_t **options);
-int efi_get_boot_timestamps(const dual_timestamp *n, dual_timestamp *firmware, dual_timestamp *loader);
-
-int efi_get_loader_device_part_uuid(sd_id128_t *u);
+int efi_loader_get_device_part_uuid(sd_id128_t *u);
+int efi_loader_get_boot_usec(usec_t *firmware, usec_t *loader);
diff --git a/src/test/test-boot-timestamps.c b/src/test/test-boot-timestamps.c
new file mode 100644
index 000000000..4ede318e3
--- /dev/null
+++ b/src/test/test-boot-timestamps.c
@@ -0,0 +1,98 @@
+/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
+
+/***
+ This file is part of systemd.
+
+ Copyright 2013 Lennart Poettering
+ Copyright 2013 Kay Sievers
+
+ systemd is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published by
+ the Free Software Foundation; either version 2.1 of the License, or
+ (at your option) any later version.
+
+ systemd is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with systemd; If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#include "util.h"
+#include "log.h"
+#include "boot-timestamps.h"
+#include "efivars.h"
+#include "acpi-fpdt.h"
+
+static int test_acpi_fpdt(void) {
+ usec_t loader_start;
+ usec_t loader_exit;
+ char ts_start[FORMAT_TIMESPAN_MAX];
+ char ts_exit[FORMAT_TIMESPAN_MAX];
+ char ts_span[FORMAT_TIMESPAN_MAX];
+ int r;
+
+ r = acpi_get_boot_usec(&loader_start, &loader_exit);
+ if (r < 0) {
+ if (r != -ENOENT)
+ log_error("Failed to read ACPI FPDT: %s", strerror(-r));
+ return r;
+ }
+
+ log_info("ACPI FPDT: loader start=%s exit=%s duration=%s",
+ format_timespan(ts_start, sizeof(ts_start), loader_start, USEC_PER_MSEC),
+ format_timespan(ts_exit, sizeof(ts_exit), loader_exit, USEC_PER_MSEC),
+ format_timespan(ts_span, sizeof(ts_span), loader_exit - loader_start, USEC_PER_MSEC));
+
+ return 0;
+}
+
+static int test_efi_loader(void) {
+ usec_t loader_start;
+ usec_t loader_exit;
+ char ts_start[FORMAT_TIMESPAN_MAX];
+ char ts_exit[FORMAT_TIMESPAN_MAX];
+ char ts_span[FORMAT_TIMESPAN_MAX];
+ int r;
+
+ r = efi_loader_get_boot_usec(&loader_start, &loader_exit);
+ if (r < 0) {
+ if (r != -ENOENT)
+ log_error("Failed to read EFI loader data: %s", strerror(-r));
+ return r;
+ }
+
+ log_info("EFI Loader: start=%s exit=%s duration=%s",
+ format_timespan(ts_start, sizeof(ts_start), loader_start, USEC_PER_MSEC),
+ format_timespan(ts_exit, sizeof(ts_exit), loader_exit, USEC_PER_MSEC),
+ format_timespan(ts_span, sizeof(ts_span), loader_exit - loader_start, USEC_PER_MSEC));
+
+ return 0;
+}
+
+int main(int argc, char* argv[]) {
+ char s[MAX(FORMAT_TIMESPAN_MAX, FORMAT_TIMESTAMP_MAX)];
+ int r;
+ dual_timestamp fw, l, k;
+
+ test_acpi_fpdt();
+ test_efi_loader();
+
+ dual_timestamp_from_monotonic(&k, 0);
+
+ r = boot_timestamps(NULL, &fw, &l);
+ if (r < 0) {
+ log_error("Failed to read variables: %s", strerror(-r));
+ return 1;
+ }
+
+ log_info("Firmware began %s before kernel.", format_timespan(s, sizeof(s), fw.monotonic, 0));
+ log_info("Loader began %s before kernel.", format_timespan(s, sizeof(s), l.monotonic, 0));
+ log_info("Firmware began %s.", format_timestamp(s, sizeof(s), fw.realtime));
+ log_info("Loader began %s.", format_timestamp(s, sizeof(s), l.realtime));
+ log_info("Kernel began %s.", format_timestamp(s, sizeof(s), k.realtime));
+
+ return 0;
+}
diff --git a/src/test/test-efivars.c b/src/test/test-efivars.c
deleted file mode 100644
index 43ea5917b..000000000
--- a/src/test/test-efivars.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright 2013 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include "util.h"
-#include "log.h"
-#include "efivars.h"
-
-int main(int argc, char* argv[]) {
- char s[MAX(FORMAT_TIMESPAN_MAX, FORMAT_TIMESTAMP_MAX)];
- int r;
- dual_timestamp fw, l, k;
-
- dual_timestamp_from_monotonic(&k, 0);
-
- r = efi_get_boot_timestamps(NULL, &fw, &l);
- if (r < 0) {
- log_error("Failed to read variables: %s", strerror(-r));
- return 1;
- }
-
- log_info("Firmware began %s before kernel.", format_timespan(s, sizeof(s), fw.monotonic, 0));
- log_info("Loader began %s before kernel.", format_timespan(s, sizeof(s), l.monotonic, 0));
-
- log_info("Firmware began %s.", format_timestamp(s, sizeof(s), fw.realtime));
- log_info("Loader began %s.", format_timestamp(s, sizeof(s), l.realtime));
- log_info("Kernel began %s.", format_timestamp(s, sizeof(s), k.realtime));
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 01:47:42 +0000