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bootchart2: Allocate space on heap for collector chunks 

Nicer for embedded devices which may have smaller stack limitations.

(From OE-Core rev: 7efbe5e696d3445d10e6d1554eb1285b84a59914)

Signed-off-by: Kyle Russell <bkylerussell@gmail.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Kyle Russell 2016-09-25 07:43:32 -04:00 committed by Richard Purdie
parent a75b79a9e9
commit fe0114869e
2 changed files with 46 additions and 0 deletions
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45
meta/recipes-devtools/bootchart2/bootchart2/0001-collector-Allocate-space-on-heap-for-chunks.patch Normal file
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@ -0,0 +1,45 @@
From 09505532b49573663fb4ff4dad424dc2ef4c1f84 Mon Sep 17 00:00:00 2001
From: Kyle Russell <bkylerussell@gmail.com>
Date: Wed, 13 Jul 2016 17:30:00 -0400
Subject: [PATCH] collector: Allocate space on heap for chunks
Nicer for embedded devices which may have smaller stack limitations.
Upstream-Status: Submitted [https://github.com/xrmx/bootchart/pull/74]
Signed-off-by: Kyle Russell <bkylerussell@gmail.com>
---
collector/dump.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/collector/dump.c b/collector/dump.c
index e673b5b..2f094b4 100644
--- a/collector/dump.c
+++ b/collector/dump.c
@@ -184,12 +184,12 @@ static void dump_buffers (DumpState *s)
log ("reading %d chunks (of %d) ...\n", max_chunk, s->map.max_chunk);
for (i = 0; i < max_chunk; i++) {
FILE *output;
- char buffer[CHUNK_SIZE];
- Chunk *c = (Chunk *)&buffer;
+ char *buffer = malloc(CHUNK_SIZE);
+ Chunk *c = (Chunk *)buffer;
size_t addr = (size_t) s->map.chunks[i];
lseek (s->mem, addr, SEEK_SET);
- read (s->mem, &buffer, CHUNK_SIZE);
+ read (s->mem, buffer, CHUNK_SIZE);
/* log ("type: '%s' len %d\n",
c->dest_stream, (int)c->length); */
@@ -197,6 +197,7 @@ static void dump_buffers (DumpState *s)
fwrite (c->data, 1, c->length, output);
bytes_dumped += c->length;
fclose (output);
+ free(buffer);
}
log ("wrote %ld kb\n", (long)(bytes_dumped+1023)/1024);
}
--
2.7.4

1
meta/recipes-devtools/bootchart2/bootchart2_0.14.8.bb
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@ -93,6 +93,7 @@ UPSTREAM_CHECK_GITTAGREGEX = "(?P<pver>\d+\.\d+(\.\d+)*)"
SRC_URI = "git://github.com/mmeeks/bootchart.git \
file://bootchartd_stop.sh \
file://0001-Fixed-Missing-default-value-for-BOOTLOG_DEST.patch \
file://0001-collector-Allocate-space-on-heap-for-chunks.patch \
"
S = "${WORKDIR}/git"