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Wed, 22 Jun 2016 12:04:41 +0200 (CEST) From: =?utf-8?b?TGx1w61z?= Vilanova To: qemu-devel@nongnu.org Date: Wed, 22 Jun 2016 12:04:41 +0200 Message-Id: <146658988099.20512.17672300079925681514.stgit@fimbulvetr.bsc.es> X-Mailer: git-send-email 2.8.1 In-Reply-To: <146658987022.20512.14981098714407053522.stgit@fimbulvetr.bsc.es> References: <146658987022.20512.14981098714407053522.stgit@fimbulvetr.bsc.es> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-MIME-Autoconverted: from 8bit to quoted-printable by roura.ac.upc.es id u5MA4fOT029170 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x X-Received-From: 147.83.33.10 Subject: [Qemu-devel] [PATCH v2 2/2] trace: [bsd-user] Commandline arguments to control tracing X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Blue Swirl , Stefan Hajnoczi Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Lluís Vilanova --- bsd-user/main.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/bsd-user/main.c b/bsd-user/main.c index 9f592be..542e50e 100644 --- a/bsd-user/main.c +++ b/bsd-user/main.c @@ -30,6 +30,7 @@ #include "qemu/timer.h" #include "qemu/envlist.h" #include "exec/log.h" +#include "trace/control.h" int singlestep; unsigned long mmap_min_addr; @@ -687,6 +688,12 @@ static void usage(void) "-p pagesize set the host page size to 'pagesize'\n" "-singlestep always run in singlestep mode\n" "-strace log system calls\n" + "-trace-enable name\n" + " enable tracing of specified event names (pass 'help' to show a list of events)\n" + "-trace-events eventsfile\n" + " enable tracing of specified event names (one name/pattern per line)\n" + "-trace-file tracefile\n" + " output trace file\n" "\n" "Environment variables:\n" "QEMU_STRACE Print system calls and arguments similar to the\n" @@ -735,6 +742,7 @@ int main(int argc, char **argv) int gdbstub_port = 0; char **target_environ, **wrk; envlist_t *envlist = NULL; + const char *trace_file = NULL; bsd_type = target_openbsd; if (argc <= 1) @@ -840,6 +848,12 @@ int main(int argc, char **argv) singlestep = 1; } else if (!strcmp(r, "strace")) { do_strace = 1; + } else if (!strcmp(r, "trace-enable")) { + trace_enable_events(argv[optind++]); + } else if (!strcmp(r, "trace-events")) { + trace_init_events(argv[optind++]); + } else if (!strcmp(r, "trace-file")) { + trace_file = argv[optind++]; } else { usage(); @@ -865,6 +879,11 @@ int main(int argc, char **argv) } filename = argv[optind]; + if (!trace_init_backends()) { + exit(1); + } + trace_init_file(trace_file); + /* Zero out regs */ memset(regs, 0, sizeof(struct target_pt_regs));