1From 09505532b49573663fb4ff4dad424dc2ef4c1f84 Mon Sep 17 00:00:00 2001 2From: Kyle Russell <bkylerussell@gmail.com> 3Date: Wed, 13 Jul 2016 17:30:00 -0400 4Subject: [PATCH] collector: Allocate space on heap for chunks 5 6Nicer for embedded devices which may have smaller stack limitations. 7 8Upstream-Status: Submitted [https://github.com/xrmx/bootchart/pull/74] 9 10Signed-off-by: Kyle Russell <bkylerussell@gmail.com> 11--- 12 collector/dump.c | 7 ++++--- 13 1 file changed, 4 insertions(+), 3 deletions(-) 14 15diff --git a/collector/dump.c b/collector/dump.c 16index e673b5b..2f094b4 100644 17--- a/collector/dump.c 18+++ b/collector/dump.c 19@@ -184,12 +184,12 @@ static void dump_buffers (DumpState *s) 20 log ("reading %d chunks (of %d) ...\n", max_chunk, s->map.max_chunk); 21 for (i = 0; i < max_chunk; i++) { 22 FILE *output; 23- char buffer[CHUNK_SIZE]; 24- Chunk *c = (Chunk *)&buffer; 25+ char *buffer = malloc(CHUNK_SIZE); 26+ Chunk *c = (Chunk *)buffer; 27 size_t addr = (size_t) s->map.chunks[i]; 28 29 lseek (s->mem, addr, SEEK_SET); 30- read (s->mem, &buffer, CHUNK_SIZE); 31+ read (s->mem, buffer, CHUNK_SIZE); 32 /* log ("type: '%s' len %d\n", 33 c->dest_stream, (int)c->length); */ 34 35@@ -197,6 +197,7 @@ static void dump_buffers (DumpState *s) 36 fwrite (c->data, 1, c->length, output); 37 bytes_dumped += c->length; 38 fclose (output); 39+ free(buffer); 40 } 41 log ("wrote %ld kb\n", (long)(bytes_dumped+1023)/1024); 42 } 43-- 442.7.4 45 46