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authorKyösti Mälkki <kyosti.malkki@gmail.com>2020-07-24 15:54:31 +0300
committerNico Huber <nico.h@gmx.de>2020-12-02 23:35:58 +0000
commit8c99c27df10f6c5a120e41ffb0948e357f5a2d20 (patch)
tree710940c338b8b2a3ddebab60faf7856725ca37e2 /util
parent5e053af7a677d0c1f98e624057ba7409f8492596 (diff)
downloadcoreboot-8c99c27df10f6c5a120e41ffb0948e357f5a2d20.tar.xz
lib/trace: Remove TRACE support
Looks like the option is generally not compatible with garbage collections. Nothing gets inlined, for example is_smp_boot() no longer evaluates to constant false and thus the symbols from secondary.S would need to be present for the build to pass even if we set SMP=n. Also the addresses of relocatable ramstage are currently not normalised on the logs, so util/genprof would be unable dress those. Change-Id: I0b6f310e15e6f4992cd054d288903fea8390e5cf Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/45757 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Nico Huber <nico.h@gmx.de>
Diffstat (limited to 'util')
-rw-r--r--util/genprof/.gitignore1
-rw-r--r--util/genprof/Makefile12
-rw-r--r--util/genprof/README31
-rw-r--r--util/genprof/description.md1
-rw-r--r--util/genprof/genprof.c114
-rwxr-xr-xutil/genprof/log2dress20
6 files changed, 0 insertions, 179 deletions
diff --git a/util/genprof/.gitignore b/util/genprof/.gitignore
deleted file mode 100644
index 612ef67372..0000000000
--- a/util/genprof/.gitignore
+++ /dev/null
@@ -1 +0,0 @@
-genprof
diff --git a/util/genprof/Makefile b/util/genprof/Makefile
deleted file mode 100644
index 2ec77c918a..0000000000
--- a/util/genprof/Makefile
+++ /dev/null
@@ -1,12 +0,0 @@
-CC=gcc
-CFLAGS=-O2 -Wall
-
-all: genprof
-
-genprof: genprof.o
- $(CC) $(CFLAGS) -o genprof $^
-
-clean:
- rm -f genprof *.o *~
-
-distclean: clean
diff --git a/util/genprof/README b/util/genprof/README
deleted file mode 100644
index d4159c2fd6..0000000000
--- a/util/genprof/README
+++ /dev/null
@@ -1,31 +0,0 @@
-Function tracing
-----------------
-
-Enable CONFIG_TRACE in debug menu. Run the compiled image on target. You will get
-a log with a lot of lines like:
-
-...
-~0x001072e8(0x00100099)
-~0x00108bc0(0x0010730a)
-...
-
-First address is address of function which was just entered, the second address
-is address of functions which call that.
-
-You can use the log2dress to dress the log again:
-
-...
-src/arch/x86/lib/c_start.S:85 calls /home/ruik/coreboot/src/boot/selfboot.c:367
-/home/ruik/coreboot/src/boot/selfboot.c:370 calls /home/ruik/coreboot/src/device/device.c:325
-...
-
-Alternatively, you can use genprof to generate a gmon.out file, which can be used
-by gprof to show the call traces. You will need to install uthash library to compile
-that.
-
-Great use is:
-
-make
-./genprof /tmp/yourlog ; gprof ../../build/ramstage | ./gprof2dot.py -e0 -n0 | dot -Tpng -o output.png
-
-Which generates a PNG with a call graph.
diff --git a/util/genprof/description.md b/util/genprof/description.md
deleted file mode 100644
index 84618a4187..0000000000
--- a/util/genprof/description.md
+++ /dev/null
@@ -1 +0,0 @@
-Format function tracing logs `Bash` `C`
diff --git a/util/genprof/genprof.c b/util/genprof/genprof.c
deleted file mode 100644
index f4dd4cb7c1..0000000000
--- a/util/genprof/genprof.c
+++ /dev/null
@@ -1,114 +0,0 @@
-#include <stdio.h>
-#include <uthash.h>
-#include <sys/gmon_out.h>
-#include <stdlib.h>
-
-#define GMON_SEC "seconds s"
-uint32_t mineip = 0xffffffff;
-uint32_t maxeip = 0;
-
-/* a hash structure to hold the arc */
-struct arec {
- uint32_t eip;
- uint32_t from;
- uint32_t count;
- UT_hash_handle hh;
-};
-
-struct arec *arc = NULL;
-
-void note_arc(uint32_t eip, uint32_t from)
-{
- struct arec *s;
-
- HASH_FIND_INT(arc, &eip, s);
- if (s == NULL) {
- s = malloc(sizeof(struct arec));
- s->eip = eip;
- s->from = from;
- s->count = 1;
- if (eip > maxeip)
- maxeip = eip;
- if (eip < mineip)
- maxeip = eip;
-
- HASH_ADD_INT(arc, eip, s);
- } else {
- s->count++;
- }
-}
-
-int main(int argc, char* argv[])
-{
- FILE *f, *fo;
- struct arec *s;
- uint32_t eip, from, tmp;
- uint8_t tag;
- uint16_t hit;
-
- if (argc != 2) {
- fprintf(stderr, "Please specify the coreboot trace log as parameter\n");
- return 1;
- }
-
- f = fopen(argv[1], "r");
- if (f == NULL) {
- perror("Unable to open the input file");
- return 1;
- }
-
- fo = fopen("gmon.out", "w+");
- if (fo == NULL) {
- perror("Unable to open the output file");
- fclose(f);
- return 1;
- }
-
- while (!feof(f)) {
- if (fscanf(f, "~%x(%x)%*[^\n]\n", &eip, &from) == 2) {
- note_arc(eip, from);
- } else if (fscanf(f, "%*c~%x(%x)%*[^\n]\n", &eip, &from) == 2) {
- note_arc(eip, from);
- } else {
- /* just drop a line */
- tmp = fscanf(f, "%*[^\n]\n");
- }
- }
-
- /* write gprof header */
- fwrite(GMON_MAGIC, 1, sizeof(GMON_MAGIC) - 1, fo);
- tmp = GMON_VERSION;
- fwrite(&tmp, 1, sizeof(tmp), fo);
- tmp = 0;
- fwrite(&tmp, 1, sizeof(tmp), fo);
- fwrite(&tmp, 1, sizeof(tmp), fo);
- fwrite(&tmp, 1, sizeof(tmp), fo);
- /* write fake histogram */
- tag = GMON_TAG_TIME_HIST;
- fwrite(&tag, 1, sizeof(tag), fo);
- fwrite(&mineip, 1, sizeof(mineip), fo);
- fwrite(&maxeip, 1, sizeof(maxeip), fo);
- /* size of histogram */
- tmp = 1;
- fwrite(&tmp, 1, sizeof(tmp), fo);
- /* prof rate */
- tmp = 1000;
- fwrite(&tmp, 1, sizeof(tmp), fo);
- fwrite(GMON_SEC, 1, sizeof(GMON_SEC) - 1, fo);
- hit = 1;
- fwrite(&hit, 1, sizeof(hit), fo);
-
- /* write call graph data */
- tag = GMON_TAG_CG_ARC;
- for (s = arc; s != NULL; s = s->hh.next) {
- fwrite(&tag, 1, sizeof(tag), fo);
- fwrite(&s->from, 1, sizeof(s->from), fo);
- fwrite(&s->eip, 1, sizeof(s->eip), fo);
- fwrite(&s->count, 1, sizeof(s->count), fo);
- }
-
- fclose(fo);
- fclose(f);
-
- return 0;
-}
diff --git a/util/genprof/log2dress b/util/genprof/log2dress
deleted file mode 100755
index a7ec4bfdbd..0000000000
--- a/util/genprof/log2dress
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/usr/bin/env bash
-#Parse a log and get back the function names and line numbers
-#Provide a log file as first argument
-
-#Please rewrite to something more saner !
-
-cat $1 | while read line ; do
-A=`echo $line | cut -c 1`
-
-if [ "$A" = '~' ] ; then
-FROM=`echo $line | tr \~ \( | tr \) \( | awk -F\( '{print $3}'`
-TO=`echo $line | tr \~ \( | tr \) \(|awk -F\( '{print $2}'`
-addr2line -e ../../build/cbfs/fallback/ramstage.debug "$FROM" | tr -d "\n"
-echo -n " calls "
-addr2line -e ../../build/cbfs/fallback/ramstage.debug "$TO"
-else
-echo "$line"
-fi
-
-done