From 09505532b49573663fb4ff4dad424dc2ef4c1f84 Mon Sep 17 00:00:00 2001 From: Kyle Russell 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 --- 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