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authorLinus Torvalds <torvalds@linux-foundation.org>2012-10-08 07:14:06 +0900
committerLinus Torvalds <torvalds@linux-foundation.org>2012-10-08 07:14:06 +0900
commitd8dc91b753b881c60c766c06aeec87675a07df4a (patch)
tree9a02f81fc5436b424d88c2340dcd6b0fe6ae6cca /tools
parent7035cdf36d5c4d913f68ff97e1c2e5603500d946 (diff)
parent3f44ea0d1c3835872033a6633135e16f87161202 (diff)
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pul ACPI & Power Management updates from Len Brown: - acpidump utility added - intel_idle driver now supports IVB Xeon - turbostat utility can now count SMIs - ACPI can now bind to USB3 hubs - misc fixes * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (49 commits) ACPI: Add new sysfs interface to export device description ACPI: Harden acpi_table_parse_entries() against BIOS bug tools/power/turbostat: add option to count SMIs, re-name some options tools/power turbostat: add [-d MSR#][-D MSR#] options to print counter deltas intel_idle: enable IVB Xeon support tools/power turbostat: add [-m MSR#] option tools/power turbostat: make -M output pretty tools/power turbostat: print more turbo-limit information tools/power turbostat: delete unused line tools/power turbostat: run on IVB Xeon tools/power/acpi/acpidump: create acpidump(8), local make install targets tools/power/acpi/acpidump: version 20101221 - find dynamic tables in sysfs ACPI: run _OSC after ACPI_FULL_INITIALIZATION tools/power/acpi/acpidump: create acpidump(8), local make install targets tools/power/acpi/acpidump: version 20101221 - find dynamic tables in sysfs tools/power/acpi/acpidump: version 20071116 tools/power/acpi/acpidump: version 20070714 tools/power/acpi/acpidump: version 20060606 tools/power/acpi/acpidump: version 20051111 xo15-ebook: convert to module_acpi_driver() ...
Diffstat (limited to 'tools')
-rw-r--r--tools/power/acpi/Makefile18
-rw-r--r--tools/power/acpi/acpidump.859
-rw-r--r--tools/power/acpi/acpidump.c560
-rw-r--r--tools/power/x86/turbostat/turbostat.855
-rw-r--r--tools/power/x86/turbostat/turbostat.c214
5 files changed, 870 insertions, 36 deletions
diff --git a/tools/power/acpi/Makefile b/tools/power/acpi/Makefile
new file mode 100644
index 00000000000..6b9cf7a987c
--- /dev/null
+++ b/tools/power/acpi/Makefile
@@ -0,0 +1,18 @@
+PROG= acpidump
+SRCS= acpidump.c
+KERNEL_INCLUDE := ../../../include
+CFLAGS += -Wall -Wstrict-prototypes -Wdeclaration-after-statement -Os -s -D_LINUX -DDEFINE_ALTERNATE_TYPES -I$(KERNEL_INCLUDE)
+
+all: acpidump
+$(PROG) : $(SRCS)
+ $(CC) $(CFLAGS) $(SRCS) -o $(PROG)
+
+CLEANFILES= $(PROG)
+
+clean :
+ rm -f $(CLEANFILES) $(patsubst %.c,%.o, $(SRCS)) *~
+
+install :
+ install acpidump /usr/bin/acpidump
+ install acpidump.8 /usr/share/man/man8
+
diff --git a/tools/power/acpi/acpidump.8 b/tools/power/acpi/acpidump.8
new file mode 100644
index 00000000000..adfa99166e5
--- /dev/null
+++ b/tools/power/acpi/acpidump.8
@@ -0,0 +1,59 @@
+.TH ACPIDUMP 8
+.SH NAME
+acpidump \- Dump system's ACPI tables to an ASCII file.
+.SH SYNOPSIS
+.ft B
+.B acpidump > acpidump.out
+.SH DESCRIPTION
+\fBacpidump \fP dumps the systems ACPI tables to an ASCII file
+appropriate for attaching to a bug report.
+
+Subsequently, they can be processed by utilities in the ACPICA package.
+.SS Options
+no options worth worrying about.
+.PP
+.SH EXAMPLE
+
+.nf
+# acpidump > acpidump.out
+
+$ acpixtract -a acpidump.out
+ Acpi table [DSDT] - 15974 bytes written to DSDT.dat
+ Acpi table [FACS] - 64 bytes written to FACS.dat
+ Acpi table [FACP] - 116 bytes written to FACP.dat
+ Acpi table [APIC] - 120 bytes written to APIC.dat
+ Acpi table [MCFG] - 60 bytes written to MCFG.dat
+ Acpi table [SSDT] - 444 bytes written to SSDT1.dat
+ Acpi table [SSDT] - 439 bytes written to SSDT2.dat
+ Acpi table [SSDT] - 439 bytes written to SSDT3.dat
+ Acpi table [SSDT] - 439 bytes written to SSDT4.dat
+ Acpi table [SSDT] - 439 bytes written to SSDT5.dat
+ Acpi table [RSDT] - 76 bytes written to RSDT.dat
+ Acpi table [RSDP] - 20 bytes written to RSDP.dat
+
+$ iasl -d *.dat
+...
+.fi
+creates *.dsl, a human readable form which can be edited
+and compiled using iasl.
+
+
+.SH NOTES
+
+.B "acpidump "
+must be run as root.
+
+.SH REFERENCES
+ACPICA: https://acpica.org/
+
+.SH FILES
+.ta
+.nf
+/dev/mem
+/sys/firmware/acpi/tables/dynamic/*
+.fi
+
+.PP
+.SH AUTHOR
+.nf
+Written by Len Brown <len.brown@intel.com>
diff --git a/tools/power/acpi/acpidump.c b/tools/power/acpi/acpidump.c
new file mode 100644
index 00000000000..07779871421
--- /dev/null
+++ b/tools/power/acpi/acpidump.c
@@ -0,0 +1,560 @@
+/*
+ * (c) Alexey Starikovskiy, Intel, 2005-2006.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions, and the following disclaimer,
+ * without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ * substantially similar to the "NO WARRANTY" disclaimer below
+ * ("Disclaimer") and any redistribution must be conditioned upon
+ * including a substantially similar Disclaimer requirement for further
+ * binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ * of any contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ */
+
+#ifdef DEFINE_ALTERNATE_TYPES
+/* hack to enable building old application with new headers -lenb */
+#define acpi_fadt_descriptor acpi_table_fadt
+#define acpi_rsdp_descriptor acpi_table_rsdp
+#define DSDT_SIG ACPI_SIG_DSDT
+#define FACS_SIG ACPI_SIG_FACS
+#define FADT_SIG ACPI_SIG_FADT
+#define xfirmware_ctrl Xfacs
+#define firmware_ctrl facs
+
+typedef int s32;
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned int u32;
+typedef unsigned long long u64;
+typedef long long s64;
+#endif
+
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+
+#include <sys/types.h>
+#include <dirent.h>
+
+#include <acpi/acconfig.h>
+#include <acpi/platform/acenv.h>
+#include <acpi/actypes.h>
+#include <acpi/actbl.h>
+
+static inline u8 checksum(u8 * buffer, u32 length)
+{
+ u8 sum = 0, *i = buffer;
+ buffer += length;
+ for (; i < buffer; sum += *(i++));
+ return sum;
+}
+
+static unsigned long psz, addr, length;
+static int print, connect, skip;
+static u8 select_sig[4];
+
+static unsigned long read_efi_systab( void )
+{
+ char buffer[80];
+ unsigned long addr;
+ FILE *f = fopen("/sys/firmware/efi/systab", "r");
+ if (f) {
+ while (fgets(buffer, 80, f)) {
+ if (sscanf(buffer, "ACPI20=0x%lx", &addr) == 1)
+ return addr;
+ }
+ fclose(f);
+ }
+ return 0;
+}
+
+static u8 *acpi_map_memory(unsigned long where, unsigned length)
+{
+ unsigned long offset;
+ u8 *there;
+ int fd = open("/dev/mem", O_RDONLY);
+ if (fd < 0) {
+ fprintf(stderr, "acpi_os_map_memory: cannot open /dev/mem\n");
+ exit(1);
+ }
+ offset = where % psz;
+ there = mmap(NULL, length + offset, PROT_READ, MAP_PRIVATE,
+ fd, where - offset);
+ close(fd);
+ if (there == MAP_FAILED) return 0;
+ return (there + offset);
+}
+
+static void acpi_unmap_memory(u8 * there, unsigned length)
+{
+ unsigned long offset = (unsigned long)there % psz;
+ munmap(there - offset, length + offset);
+}
+
+static struct acpi_table_header *acpi_map_table(unsigned long where, char *sig)
+{
+ unsigned size;
+ struct acpi_table_header *tbl = (struct acpi_table_header *)
+ acpi_map_memory(where, sizeof(struct acpi_table_header));
+ if (!tbl || (sig && memcmp(sig, tbl->signature, 4))) return 0;
+ size = tbl->length;
+ acpi_unmap_memory((u8 *) tbl, sizeof(struct acpi_table_header));
+ return (struct acpi_table_header *)acpi_map_memory(where, size);
+}
+
+static void acpi_unmap_table(struct acpi_table_header *tbl)
+{
+ acpi_unmap_memory((u8 *)tbl, tbl->length);
+}
+
+static struct acpi_rsdp_descriptor *acpi_scan_for_rsdp(u8 *begin, u32 length)
+{
+ struct acpi_rsdp_descriptor *rsdp;
+ u8 *i, *end = begin + length;
+ /* Search from given start address for the requested length */
+ for (i = begin; i < end; i += ACPI_RSDP_SCAN_STEP) {
+ /* The signature and checksum must both be correct */
+ if (memcmp((char *)i, "RSD PTR ", 8)) continue;
+ rsdp = (struct acpi_rsdp_descriptor *)i;
+ /* Signature matches, check the appropriate checksum */
+ if (!checksum((u8 *) rsdp, (rsdp->revision < 2) ?
+ ACPI_RSDP_CHECKSUM_LENGTH :
+ ACPI_RSDP_XCHECKSUM_LENGTH))
+ /* Checksum valid, we have found a valid RSDP */
+ return rsdp;
+ }
+ /* Searched entire block, no RSDP was found */
+ return 0;
+}
+
+/*
+ * Output data
+ */
+static void acpi_show_data(int fd, u8 * data, int size)
+{
+ char buffer[256];
+ int len;
+ int i, remain = size;
+ while (remain > 0) {
+ len = snprintf(buffer, 256, " %04x:", size - remain);
+ for (i = 0; i < 16 && i < remain; i++) {
+ len +=
+ snprintf(&buffer[len], 256 - len, " %02x", data[i]);
+ }
+ for (; i < 16; i++) {
+ len += snprintf(&buffer[len], 256 - len, " ");
+ }
+ len += snprintf(&buffer[len], 256 - len, " ");
+ for (i = 0; i < 16 && i < remain; i++) {
+ buffer[len++] = (isprint(data[i])) ? data[i] : '.';
+ }
+ buffer[len++] = '\n';
+ write(fd, buffer, len);
+ data += 16;
+ remain -= 16;
+ }
+}
+
+/*
+ * Output ACPI table
+ */
+static void acpi_show_table(int fd, struct acpi_table_header *table, unsigned long addr)
+{
+ char buff[80];
+ int len = snprintf(buff, 80, "%.4s @ %p\n", table->signature, (void *)addr);
+ write(fd, buff, len);
+ acpi_show_data(fd, (u8 *) table, table->length);
+ buff[0] = '\n';
+ write(fd, buff, 1);
+}
+
+static void write_table(int fd, struct acpi_table_header *tbl, unsigned long addr)
+{
+ static int select_done = 0;
+ if (!select_sig[0]) {
+ if (print) {
+ acpi_show_table(fd, tbl, addr);
+ } else {
+ write(fd, tbl, tbl->length);
+ }
+ } else if (!select_done && !memcmp(select_sig, tbl->signature, 4)) {
+ if (skip > 0) {
+ --skip;
+ return;
+ }
+ if (print) {
+ acpi_show_table(fd, tbl, addr);
+ } else {
+ write(fd, tbl, tbl->length);
+ }
+ select_done = 1;
+ }
+}
+
+static void acpi_dump_FADT(int fd, struct acpi_table_header *tbl, unsigned long xaddr) {
+ struct acpi_fadt_descriptor x;
+ unsigned long addr;
+ size_t len = sizeof(struct acpi_fadt_descriptor);
+ if (len > tbl->length) len = tbl->length;
+ memcpy(&x, tbl, len);
+ x.header.length = len;
+ if (checksum((u8 *)tbl, len)) {
+ fprintf(stderr, "Wrong checksum for FADT!\n");
+ }
+ if (x.header.length >= 148 && x.Xdsdt) {
+ addr = (unsigned long)x.Xdsdt;
+ if (connect) {
+ x.Xdsdt = lseek(fd, 0, SEEK_CUR);
+ }
+ } else if (x.header.length >= 44 && x.dsdt) {
+ addr = (unsigned long)x.dsdt;
+ if (connect) {
+ x.dsdt = lseek(fd, 0, SEEK_CUR);
+ }
+ } else {
+ fprintf(stderr, "No DSDT in FADT!\n");
+ goto no_dsdt;
+ }
+ tbl = acpi_map_table(addr, DSDT_SIG);
+ if (!tbl) goto no_dsdt;
+ if (checksum((u8 *)tbl, tbl->length))
+ fprintf(stderr, "Wrong checksum for DSDT!\n");
+ write_table(fd, tbl, addr);
+ acpi_unmap_table(tbl);
+no_dsdt:
+ if (x.header.length >= 140 && x.xfirmware_ctrl) {
+ addr = (unsigned long)x.xfirmware_ctrl;
+ if (connect) {
+ x.xfirmware_ctrl = lseek(fd, 0, SEEK_CUR);
+ }
+ } else if (x.header.length >= 40 && x.firmware_ctrl) {
+ addr = (unsigned long)x.firmware_ctrl;
+ if (connect) {
+ x.firmware_ctrl = lseek(fd, 0, SEEK_CUR);
+ }
+ } else {
+ fprintf(stderr, "No FACS in FADT!\n");
+ goto no_facs;
+ }
+ tbl = acpi_map_table(addr, FACS_SIG);
+ if (!tbl) goto no_facs;
+ /* do not checksum FACS */
+ write_table(fd, tbl, addr);
+ acpi_unmap_table(tbl);
+no_facs:
+ write_table(fd, (struct acpi_table_header *)&x, xaddr);
+}
+
+static int acpi_dump_SDT(int fd, struct acpi_rsdp_descriptor *rsdp)
+{
+ struct acpi_table_header *sdt, *tbl = 0;
+ int xsdt = 1, i, num;
+ char *offset;
+ unsigned long addr;
+ if (rsdp->revision > 1 && rsdp->xsdt_physical_address) {
+ tbl = acpi_map_table(rsdp->xsdt_physical_address, "XSDT");
+ }
+ if (!tbl && rsdp->rsdt_physical_address) {
+ xsdt = 0;
+ tbl = acpi_map_table(rsdp->rsdt_physical_address, "RSDT");
+ }
+ if (!tbl) return 0;
+ sdt = malloc(tbl->length);
+ memcpy(sdt, tbl, tbl->length);
+ acpi_unmap_table(tbl);
+ if (checksum((u8 *)sdt, sdt->length))
+ fprintf(stderr, "Wrong checksum for %s!\n", (xsdt)?"XSDT":"RSDT");
+ num = (sdt->length - sizeof(struct acpi_table_header))/((xsdt)?sizeof(u64):sizeof(u32));
+ offset = (char *)sdt + sizeof(struct acpi_table_header);
+ for (i = 0; i < num; ++i, offset += ((xsdt) ? sizeof(u64) : sizeof(u32))) {
+ addr = (xsdt) ? (unsigned long)(*(u64 *)offset):
+ (unsigned long)(*(u32 *)offset);
+ if (!addr) continue;
+ tbl = acpi_map_table(addr, 0);
+ if (!tbl) continue;
+ if (!memcmp(tbl->signature, FADT_SIG, 4)) {
+ acpi_dump_FADT(fd, tbl, addr);
+ } else {
+ if (checksum((u8 *)tbl, tbl->length))
+ fprintf(stderr, "Wrong checksum for generic table!\n");
+ write_table(fd, tbl, addr);
+ }
+ acpi_unmap_table(tbl);
+ if (connect) {
+ if (xsdt)
+ (*(u64*)offset) = lseek(fd, 0, SEEK_CUR);
+ else
+ (*(u32*)offset) = lseek(fd, 0, SEEK_CUR);
+ }
+ }
+ if (xsdt) {
+ addr = (unsigned long)rsdp->xsdt_physical_address;
+ if (connect) {
+ rsdp->xsdt_physical_address = lseek(fd, 0, SEEK_CUR);
+ }
+ } else {
+ addr = (unsigned long)rsdp->rsdt_physical_address;
+ if (connect) {
+ rsdp->rsdt_physical_address = lseek(fd, 0, SEEK_CUR);
+ }
+ }
+ write_table(fd, sdt, addr);
+ free (sdt);
+ return 1;
+}
+
+#define DYNAMIC_SSDT "/sys/firmware/acpi/tables/dynamic"
+
+static void acpi_dump_dynamic_SSDT(int fd)
+{
+ struct stat file_stat;
+ char filename[256], *ptr;
+ DIR *tabledir;
+ struct dirent *entry;
+ FILE *fp;
+ int count, readcount, length;
+ struct acpi_table_header table_header, *ptable;
+
+ if (stat(DYNAMIC_SSDT, &file_stat) == -1) {
+ /* The directory doesn't exist */
+ return;
+ }
+ tabledir = opendir(DYNAMIC_SSDT);
+ if(!tabledir){
+ /*can't open the directory */
+ return;
+ }
+
+ while ((entry = readdir(tabledir)) != 0){
+ /* skip the file of . /.. */
+ if (entry->d_name[0] == '.')
+ continue;
+
+ sprintf(filename, "%s/%s", DYNAMIC_SSDT, entry->d_name);
+ fp = fopen(filename, "r");
+ if (fp == NULL) {
+ fprintf(stderr, "Can't open the file of %s\n",
+ filename);
+ continue;
+ }
+ /* Read the Table header to parse the table length */
+ count = fread(&table_header, 1, sizeof(struct acpi_table_header), fp);
+ if (count < sizeof(table_header)) {
+ /* the length is lessn than ACPI table header. skip it */
+ fclose(fp);
+ continue;
+ }
+ length = table_header.length;
+ ptr = malloc(table_header.length);
+ fseek(fp, 0, SEEK_SET);
+ readcount = 0;
+ while(!feof(fp) && readcount < length) {
+ count = fread(ptr + readcount, 1, 256, fp);
+ readcount += count;
+ }
+ fclose(fp);
+ ptable = (struct acpi_table_header *) ptr;
+ if (checksum((u8 *) ptable, ptable->length))
+ fprintf(stderr, "Wrong checksum "
+ "for dynamic SSDT table!\n");
+ write_table(fd, ptable, 0);
+ free(ptr);
+ }
+ closedir(tabledir);
+ return;
+}
+
+static void usage(const char *progname)
+{
+ puts("Usage:");
+ printf("%s [--addr 0x1234][--table DSDT][--output filename]"
+ "[--binary][--length 0x456][--help]\n", progname);
+ puts("\t--addr 0x1234 or -a 0x1234 -- look for tables at this physical address");
+ puts("\t--table DSDT or -t DSDT -- only dump table with DSDT signature");
+ puts("\t--output filename or -o filename -- redirect output from stdin to filename");
+ puts("\t--binary or -b -- dump data in binary form rather than in hex-dump format");
+ puts("\t--length 0x456 or -l 0x456 -- works only with --addr, dump physical memory"
+ "\n\t\tregion without trying to understand it's contents");
+ puts("\t--skip 2 or -s 2 -- skip 2 tables of the given name and output only 3rd one");
+ puts("\t--help or -h -- this help message");
+ exit(0);
+}
+
+static struct option long_options[] = {
+ {"addr", 1, 0, 0},
+ {"table", 1, 0, 0},
+ {"output", 1, 0, 0},
+ {"binary", 0, 0, 0},
+ {"length", 1, 0, 0},
+ {"skip", 1, 0, 0},
+ {"help", 0, 0, 0},
+ {0, 0, 0, 0}
+};
+int main(int argc, char **argv)
+{
+ int option_index, c, fd;
+ u8 *raw;
+ struct acpi_rsdp_descriptor rsdpx, *x = 0;
+ char *filename = 0;
+ char buff[80];
+ memset(select_sig, 0, 4);
+ print = 1;
+ connect = 0;
+ addr = length = 0;
+ skip = 0;
+ while (1) {
+ option_index = 0;
+ c = getopt_long(argc, argv, "a:t:o:bl:s:h",
+ long_options, &option_index);
+ if (c == -1)
+ break;
+
+ switch (c) {
+ case 0:
+ switch (option_index) {
+ case 0:
+ addr = strtoul(optarg, (char **)NULL, 16);
+ break;
+ case 1:
+ memcpy(select_sig, optarg, 4);
+ break;
+ case 2:
+ filename = optarg;
+ break;
+ case 3:
+ print = 0;
+ break;
+ case 4:
+ length = strtoul(optarg, (char **)NULL, 16);
+ break;
+ case 5:
+ skip = strtoul(optarg, (char **)NULL, 10);
+ break;
+ case 6:
+ usage(argv[0]);
+ exit(0);
+ }
+ break;
+ case 'a':
+ addr = strtoul(optarg, (char **)NULL, 16);
+ break;
+ case 't':
+ memcpy(select_sig, optarg, 4);
+ break;
+ case 'o':
+ filename = optarg;
+ break;
+ case 'b':
+ print = 0;
+ break;
+ case 'l':
+ length = strtoul(optarg, (char **)NULL, 16);
+ break;
+ case 's':
+ skip = strtoul(optarg, (char **)NULL, 10);
+ break;
+ case 'h':
+ usage(argv[0]);
+ exit(0);
+ default:
+ printf("Unknown option!\n");
+ usage(argv[0]);
+ exit(0);
+ }
+ }
+
+ fd = STDOUT_FILENO;
+ if (filename) {
+ fd = creat(filename, S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH);
+ if (fd < 0)
+ return fd;
+ }
+
+ if (!select_sig[0] && !print) {
+ connect = 1;
+ }
+
+ psz = sysconf(_SC_PAGESIZE);
+ if (length && addr) {
+ /* We know length and address, it means we just want a memory dump */
+ if (!(raw = acpi_map_memory(addr, length)))
+ goto not_found;
+ write(fd, raw, length);
+ acpi_unmap_memory(raw, length);
+ close(fd);
+ return 0;
+ }
+
+ length = sizeof(struct acpi_rsdp_descriptor);
+ if (!addr) {
+ addr = read_efi_systab();
+ if (!addr) {
+ addr = ACPI_HI_RSDP_WINDOW_BASE;
+ length = ACPI_HI_RSDP_WINDOW_SIZE;
+ }
+ }
+
+ if (!(raw = acpi_map_memory(addr, length)) ||
+ !(x = acpi_scan_for_rsdp(raw, length)))
+ goto not_found;
+
+ /* Find RSDP and print all found tables */
+ memcpy(&rsdpx, x, sizeof(struct acpi_rsdp_descriptor));
+ acpi_unmap_memory(raw, length);
+ if (connect) {
+ lseek(fd, sizeof(struct acpi_rsdp_descriptor), SEEK_SET);
+ }
+ if (!acpi_dump_SDT(fd, &rsdpx))
+ goto not_found;
+ if (connect) {
+ lseek(fd, 0, SEEK_SET);
+ write(fd, x, (rsdpx.revision < 2) ?
+ ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH);
+ } else if (!select_sig[0] || !memcmp("RSD PTR ", select_sig, 4)) {
+ addr += (long)x - (long)raw;
+ length = snprintf(buff, 80, "RSD PTR @ %p\n", (void *)addr);
+ write(fd, buff, length);
+ acpi_show_data(fd, (u8 *) & rsdpx, (rsdpx.revision < 2) ?
+ ACPI_RSDP_CHECKSUM_LENGTH : ACPI_RSDP_XCHECKSUM_LENGTH);
+ buff[0] = '\n';
+ write(fd, buff, 1);
+ }
+ acpi_dump_dynamic_SSDT(fd);
+ close(fd);
+ return 0;
+not_found:
+ close(fd);
+ fprintf(stderr, "ACPI tables were not found. If you know location "
+ "of RSD PTR table (from dmesg, etc), "
+ "supply it with either --addr or -a option\n");
+ return 1;
+}
diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8
index 74e44507dfe..e4d0690cccf 100644
--- a/tools/power/x86/turbostat/turbostat.8
+++ b/tools/power/x86/turbostat/turbostat.8
@@ -4,15 +4,11 @@ turbostat \- Report processor frequency and idle statistics
.SH SYNOPSIS
.ft B
.B turbostat
-.RB [ "\-s" ]
-.RB [ "\-v" ]
-.RB [ "\-M MSR#" ]
+.RB [ Options ]
.RB command
.br
.B turbostat
-.RB [ "\-s" ]
-.RB [ "\-v" ]
-.RB [ "\-M MSR#" ]
+.RB [ Options ]
.RB [ "\-i interval_sec" ]
.SH DESCRIPTION
\fBturbostat \fP reports processor topology, frequency
@@ -27,16 +23,23 @@ supports an "invariant" TSC, plus the APERF and MPERF MSRs.
on processors that additionally support C-state residency counters.
.SS Options
-The \fB-s\fP option limits output to a 1-line system summary for each interval.
+The \fB-p\fP option limits output to the 1st thread in 1st core of each package.
.PP
-The \fB-c\fP option limits output to the 1st thread in each core.
+The \fB-P\fP option limits output to the 1st thread in each Package.
.PP
-The \fB-p\fP option limits output to the 1st thread in each package.
+The \fB-S\fP option limits output to a 1-line System Summary for each interval.
.PP
The \fB-v\fP option increases verbosity.
.PP
-The \fB-M MSR#\fP option dumps the specified MSR,
-in addition to the usual frequency and idle statistics.
+The \fB-s\fP option prints the SMI counter, equivalent to "-c 0x34"
+.PP
+The \fB-c MSR#\fP option includes the delta of the specified 32-bit MSR counter.
+.PP
+The \fB-C MSR#\fP option includes the delta of the specified 64-bit MSR counter.
+.PP
+The \fB-m MSR#\fP option includes the the specified 32-bit MSR value.
+.PP
+The \fB-M MSR#\fP option includes the the specified 64-bit MSR value.
.PP
The \fB-i interval_sec\fP option prints statistics every \fiinterval_sec\fP seconds.
The default is 5 seconds.
@@ -150,6 +153,29 @@ Note that turbostat reports average GHz of 3.63, while
the arithmetic average of the GHz column above is lower.
This is a weighted average, where the weight is %c0. ie. it is the total number of
un-halted cycles elapsed per time divided by the number of CPUs.
+.SH SMI COUNTING EXAMPLE
+On Intel Nehalem and newer processors, MSR 0x34 is a System Management Mode Interrupt (SMI) counter.
+Using the -m option, you can display how many SMIs have fired since reset, or if there
+are SMIs during the measurement interval, you can display the delta using the -d option.
+.nf
+[root@x980 ~]# turbostat -m 0x34
+cor CPU %c0 GHz TSC MSR 0x034 %c1 %c3 %c6 %pc3 %pc6
+ 1.41 1.82 3.38 0x00000000 8.92 37.82 51.85 17.37 0.55
+ 0 0 3.73 2.03 3.38 0x00000055 1.72 48.25 46.31 17.38 0.55
+ 0 6 0.14 1.63 3.38 0x00000056 5.30
+ 1 2 2.51 1.80 3.38 0x00000056 15.65 29.33 52.52
+ 1 8 0.10 1.65 3.38 0x00000056 18.05
+ 2 4 1.16 1.68 3.38 0x00000056 5.87 24.47 68.50
+ 2 10 0.10 1.63 3.38 0x00000056 6.93
+ 8 1 3.84 1.91 3.38 0x00000056 1.36 50.65 44.16
+ 8 7 0.08 1.64 3.38 0x00000056 5.12
+ 9 3 1.82 1.73 3.38 0x00000056 7.59 24.21 66.38
+ 9 9 0.09 1.68 3.38 0x00000056 9.32
+ 10 5 1.66 1.65 3.38 0x00000056 15.10 50.00 33.23
+ 10 11 1.72 1.65 3.38 0x00000056 15.05
+^C
+[root@x980 ~]#
+.fi
.SH NOTES
.B "turbostat "
@@ -165,6 +191,13 @@ may work poorly on Linux-2.6.20 through 2.6.29,
as \fBacpi-cpufreq \fPperiodically cleared the APERF and MPERF
in those kernels.
+If the TSC column does not make sense, then
+the other numbers will also make no sense.
+Turbostat is lightweight, and its data collection is not atomic.
+These issues are usually caused by an extremely short measurement
+interval (much less than 1 second), or system activity that prevents
+turbostat from being able to run on all CPUS to quickly collect data.
+
The APERF, MPERF MSRs are defined to count non-halted cycles.
Although it is not guaranteed by the architecture, turbostat assumes
that they count at TSC rate, which is true on all processors tested to date.
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 861d7719020..2655ae9a3ad 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -35,9 +35,9 @@
#include <ctype.h>
#include <sched.h>
-#define MSR_TSC 0x10
#define MSR_NEHALEM_PLATFORM_INFO 0xCE
#define MSR_NEHALEM_TURBO_RATIO_LIMIT 0x1AD
+#define MSR_IVT_TURBO_RATIO_LIMIT 0x1AE
#define MSR_APERF 0xE8
#define MSR_MPERF 0xE7
#define MSR_PKG_C2_RESIDENCY 0x60D /* SNB only */
@@ -62,7 +62,11 @@ unsigned int genuine_intel;
unsigned int has_invariant_tsc;
unsigned int do_nehalem_platform_info;
unsigned int do_nehalem_turbo_ratio_limit;
-unsigned int extra_msr_offset;
+unsigned int do_ivt_turbo_ratio_limit;
+unsigned int extra_msr_offset32;
+unsigned int extra_msr_offset64;
+unsigned int extra_delta_offset32;
+unsigned int extra_delta_offset64;
double bclk;
unsigned int show_pkg;
unsigned int show_core;
@@ -83,7 +87,10 @@ struct thread_data {
unsigned long long aperf;
unsigned long long mperf;
unsigned long long c1; /* derived */
- unsigned long long extra_msr;
+ unsigned long long extra_msr64;
+ unsigned long long extra_delta64;
+ unsigned long long extra_msr32;
+ unsigned long long extra_delta32;
unsigned int cpu_id;
unsigned int flags;
#define CPU_IS_FIRST_THREAD_IN_CORE 0x2
@@ -222,6 +229,14 @@ void print_header(void)
if (has_aperf)
outp += sprintf(outp, " GHz");
outp += sprintf(outp, " TSC");
+ if (extra_delta_offset32)
+ outp += sprintf(outp, " count 0x%03X", extra_delta_offset32);
+ if (extra_delta_offset64)
+ outp += sprintf(outp, " COUNT 0x%03X", extra_delta_offset64);
+ if (extra_msr_offset32)
+ outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset32);
+ if (extra_msr_offset64)
+ outp += sprintf(outp, " MSR 0x%03X", extra_msr_offset64);
if (do_nhm_cstates)
outp += sprintf(outp, " %%c1");
if (do_nhm_cstates)
@@ -238,8 +253,6 @@ void print_header(void)
outp += sprintf(outp, " %%pc6");
if (do_snb_cstates)
outp += sprintf(outp, " %%pc7");
- if (extra_msr_offset)
- outp += sprintf(outp, " MSR 0x%x ", extra_msr_offset);
outp += sprintf(outp, "\n");
}
@@ -255,8 +268,14 @@ int dump_counters(struct thread_data *t, struct core_data *c,
fprintf(stderr, "aperf: %016llX\n", t->aperf);
fprintf(stderr, "mperf: %016llX\n", t->mperf);
fprintf(stderr, "c1: %016llX\n", t->c1);
+ fprintf(stderr, "msr0x%x: %08llX\n",
+ extra_delta_offset32, t->extra_delta32);
fprintf(stderr, "msr0x%x: %016llX\n",
- extra_msr_offset, t->extra_msr);
+ extra_delta_offset64, t->extra_delta64);
+ fprintf(stderr, "msr0x%x: %08llX\n",
+ extra_msr_offset32, t->extra_msr32);
+ fprintf(stderr, "msr0x%x: %016llX\n",
+ extra_msr_offset64, t->extra_msr64);
}
if (c) {
@@ -360,6 +379,21 @@ int format_counters(struct thread_data *t, struct core_data *c,
/* TSC */
outp += sprintf(outp, "%5.2f", 1.0 * t->tsc/units/interval_float);
+ /* delta */
+ if (extra_delta_offset32)
+ outp += sprintf(outp, " %11llu", t->extra_delta32);
+
+ /* DELTA */
+ if (extra_delta_offset64)
+ outp += sprintf(outp, " %11llu", t->extra_delta64);
+ /* msr */
+ if (extra_msr_offset32)
+ outp += sprintf(outp, " 0x%08llx", t->extra_msr32);
+
+ /* MSR */
+ if (extra_msr_offset64)
+ outp += sprintf(outp, " 0x%016llx", t->extra_msr64);
+
if (do_nhm_cstates) {
if (!skip_c1)
outp += sprintf(outp, " %6.2f", 100.0 * t->c1/t->tsc);
@@ -391,8 +425,6 @@ int format_counters(struct thread_data *t, struct core_data *c,
if (do_snb_cstates)
outp += sprintf(outp, " %6.2f", 100.0 * p->pc7/t->tsc);
done:
- if (extra_msr_offset)
- outp += sprintf(outp, " 0x%016llx", t->extra_msr);
outp += sprintf(outp, "\n");
return 0;
@@ -502,10 +534,16 @@ delta_thread(struct thread_data *new, struct thread_data *old,
old->mperf = 1; /* divide by 0 protection */
}
+ old->extra_delta32 = new->extra_delta32 - old->extra_delta32;
+ old->extra_delta32 &= 0xFFFFFFFF;
+
+ old->extra_delta64 = new->extra_delta64 - old->extra_delta64;
+
/*
- * for "extra msr", just copy the latest w/o subtracting
+ * Extra MSR is just a snapshot, simply copy latest w/o subtracting
*/
- old->extra_msr = new->extra_msr;
+ old->extra_msr32 = new->extra_msr32;
+ old->extra_msr64 = new->extra_msr64;
}
int delta_cpu(struct thread_data *t, struct core_data *c,
@@ -533,6 +571,9 @@ void clear_counters(struct thread_data *t, struct core_data *c, struct pkg_data
t->mperf = 0;
t->c1 = 0;
+ t->extra_delta32 = 0;
+ t->extra_delta64 = 0;
+
/* tells format_counters to dump all fields from this set */
t->flags = CPU_IS_FIRST_THREAD_IN_CORE | CPU_IS_FIRST_CORE_IN_PACKAGE;
@@ -553,6 +594,9 @@ int sum_counters(struct thread_data *t, struct core_data *c,
average.threads.mperf += t->mperf;
average.threads.c1 += t->c1;
+ average.threads.extra_delta32 += t->extra_delta32;
+ average.threads.extra_delta64 += t->extra_delta64;
+
/* sum per-core values only for 1st thread in core */
if (!(t->flags & CPU_IS_FIRST_THREAD_IN_CORE))
return 0;
@@ -588,6 +632,11 @@ void compute_average(struct thread_data *t, struct core_data *c,
average.threads.mperf /= topo.num_cpus;
average.threads.c1 /= topo.num_cpus;
+ average.threads.extra_delta32 /= topo.num_cpus;
+ average.threads.extra_delta32 &= 0xFFFFFFFF;
+
+ average.threads.extra_delta64 /= topo.num_cpus;
+
average.cores.c3 /= topo.num_cores;
average.cores.c6 /= topo.num_cores;
average.cores.c7 /= topo.num_cores;
@@ -629,8 +678,24 @@ int get_counters(struct thread_data *t, struct core_data *c, struct pkg_data *p)
return -4;
}
- if (extra_msr_offset)
- if (get_msr(cpu, extra_msr_offset, &t->extra_msr))
+ if (extra_delta_offset32) {
+ if (get_msr(cpu, extra_delta_offset32, &t->extra_delta32))
+ return -5;
+ t->extra_delta32 &= 0xFFFFFFFF;
+ }
+
+ if (extra_delta_offset64)
+ if (get_msr(cpu, extra_delta_offset64, &t->extra_delta64))
+ return -5;
+
+ if (extra_msr_offset32) {
+ if (get_msr(cpu, extra_msr_offset32, &t->extra_msr32))
+ return -5;
+ t->extra_msr32 &= 0xFFFFFFFF;
+ }
+
+ if (extra_msr_offset64)
+ if (get_msr(cpu, extra_msr_offset64, &t->extra_msr64))
return -5;
/* collect core counters only for 1st thread in core */
@@ -677,6 +742,9 @@ void print_verbose_header(void)
get_msr(0, MSR_NEHALEM_PLATFORM_INFO, &msr);
+ if (verbose > 1)
+ fprintf(stderr, "MSR_NEHALEM_PLATFORM_INFO: 0x%llx\n", msr);
+
ratio = (msr >> 40) & 0xFF;
fprintf(stderr, "%d * %.0f = %.0f MHz max efficiency\n",
ratio, bclk, ratio * bclk);
@@ -685,14 +753,84 @@ void print_verbose_header(void)
fprintf(stderr, "%d * %.0f = %.0f MHz TSC frequency\n",
ratio, bclk, ratio * bclk);
+ if (!do_ivt_turbo_ratio_limit)
+ goto print_nhm_turbo_ratio_limits;
+
+ get_msr(0, MSR_IVT_TURBO_RATIO_LIMIT, &msr);
+
if (verbose > 1)
- fprintf(stderr, "MSR_NEHALEM_PLATFORM_INFO: 0x%llx\n", msr);
+ fprintf(stderr, "MSR_IVT_TURBO_RATIO_LIMIT: 0x%llx\n", msr);
+
+ ratio = (msr >> 56) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 16 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 48) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 15 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 40) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 14 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 32) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 13 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 24) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 12 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 16) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 11 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 8) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 10 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 0) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 9 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+print_nhm_turbo_ratio_limits:
if (!do_nehalem_turbo_ratio_limit)
return;
get_msr(0, MSR_NEHALEM_TURBO_RATIO_LIMIT, &msr);
+ if (verbose > 1)
+ fprintf(stderr, "MSR_NEHALEM_TURBO_RATIO_LIMIT: 0x%llx\n", msr);
+
+ ratio = (msr >> 56) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 8 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 48) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 7 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 40) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 6 active cores\n",
+ ratio, bclk, ratio * bclk);
+
+ ratio = (msr >> 32) & 0xFF;
+ if (ratio)
+ fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 5 active cores\n",
+ ratio, bclk, ratio * bclk);
+
ratio = (msr >> 24) & 0xFF;
if (ratio)
fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 4 active cores\n",
@@ -712,7 +850,6 @@ void print_verbose_header(void)
if (ratio)
fprintf(stderr, "%d * %.0f = %.0f MHz max turbo 1 active cores\n",
ratio, bclk, ratio * bclk);
-
}
void free_all_buffers(void)
@@ -1038,7 +1175,7 @@ int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
case 0x2A: /* SNB */
case 0x2D: /* SNB Xeon */
case 0x3A: /* IVB */
- case 0x3D: /* IVB Xeon */
+ case 0x3E: /* IVB Xeon */
return 1;
case 0x2E: /* Nehalem-EX Xeon - Beckton */
case 0x2F: /* Westmere-EX Xeon - Eagleton */
@@ -1046,6 +1183,22 @@ int has_nehalem_turbo_ratio_limit(unsigned int family, unsigned int model)
return 0;
}
}
+int has_ivt_turbo_ratio_limit(unsigned int family, unsigned int model)
+{
+ if (!genuine_intel)
+ return 0;
+
+ if (family != 6)
+ return 0;
+
+ switch (model) {
+ case 0x3E: /* IVB Xeon */
+ return 1;
+ default:
+ return 0;
+ }
+}
+
int is_snb(unsigned int family, unsigned int model)
{
@@ -1056,7 +1209,7 @@ int is_snb(unsigned int family, unsigned int model)
case 0x2A:
case 0x2D:
case 0x3A: /* IVB */
- case 0x3D: /* IVB Xeon */
+ case 0x3E: /* IVB Xeon */
return 1;
}
return 0;
@@ -1145,12 +1298,13 @@ void check_cpuid()
bclk = discover_bclk(family, model);
do_nehalem_turbo_ratio_limit = has_nehalem_turbo_ratio_limit(family, model);
+ do_ivt_turbo_ratio_limit = has_ivt_turbo_ratio_limit(family, model);
}
void usage()
{
- fprintf(stderr, "%s: [-v] [-M MSR#] [-i interval_sec | command ...]\n",
+ fprintf(stderr, "%s: [-v][-p|-P|-S][-c MSR# | -s]][-C MSR#][-m MSR#][-M MSR#][-i interval_sec | command ...]\n",
progname);
exit(1);
}
@@ -1440,15 +1594,15 @@ void cmdline(int argc, char **argv)
progname = argv[0];
- while ((opt = getopt(argc, argv, "+cpsvi:M:")) != -1) {
+ while ((opt = getopt(argc, argv, "+pPSvisc:sC:m:M:")) != -1) {
switch (opt) {
- case 'c':
+ case 'p':
show_core_only++;
break;
- case 'p':
+ case 'P':
show_pkg_only++;
break;
- case 's':
+ case 'S':
summary_only++;
break;
case 'v':
@@ -1457,10 +1611,20 @@ void cmdline(int argc, char **argv)
case 'i':
interval_sec = atoi(optarg);
break;
+ case 'c':
+ sscanf(optarg, "%x", &extra_delta_offset32);
+ break;
+ case 's':
+ extra_delta_offset32 = 0x34; /* SMI counter */
+ break;
+ case 'C':
+ sscanf(optarg, "%x", &extra_delta_offset64);
+ break;
+ case 'm':
+ sscanf(optarg, "%x", &extra_msr_offset32);
+ break;
case 'M':
- sscanf(optarg, "%x", &extra_msr_offset);
- if (verbose > 1)
- fprintf(stderr, "MSR 0x%X\n", extra_msr_offset);
+ sscanf(optarg, "%x", &extra_msr_offset64);
break;
default:
usage();
@@ -1473,7 +1637,7 @@ int main(int argc, char **argv)
cmdline(argc, argv);
if (verbose > 1)
- fprintf(stderr, "turbostat v2.0 May 16, 2012"
+ fprintf(stderr, "turbostat v2.1 October 6, 2012"
" - Len Brown <lenb@kernel.org>\n");
turbostat_init();