diff options
| -rw-r--r-- | include/qemu/log.h | 2 | ||||
| -rw-r--r-- | qemu-options.hx | 18 | ||||
| -rw-r--r-- | tests/Makefile | 4 | ||||
| -rw-r--r-- | tests/test-logging.c | 107 | ||||
| -rw-r--r-- | util/log.c | 87 | ||||
| -rw-r--r-- | vl.c | 3 |
6 files changed, 221 insertions, 0 deletions
diff --git a/include/qemu/log.h b/include/qemu/log.h index 523c886078..1d0222dd2e 100644 --- a/include/qemu/log.h +++ b/include/qemu/log.h @@ -122,6 +122,8 @@ static inline void qemu_set_log(int log_flags) } void qemu_set_log_filename(const char *filename); +void qemu_set_dfilter_ranges(const char *ranges); +bool qemu_log_in_addr_range(uint64_t addr); int qemu_str_to_log_mask(const char *str); /* Print a usage message listing all the valid logging categories diff --git a/qemu-options.hx b/qemu-options.hx index 732ed8cbc5..c8bb70cf7c 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -3163,6 +3163,24 @@ STEXI Output log in @var{logfile} instead of to stderr ETEXI +DEF("dfilter", HAS_ARG, QEMU_OPTION_DFILTER, \ + "-dfilter range,.. filter debug output to range of addresses (useful for -d cpu,exec,etc..)\n", + QEMU_ARCH_ALL) +STEXI +@item -dfilter @var{range1}[,...] +@findex -dfilter +Filter debug output to that relevant to a range of target addresses. The filter +spec can be either @var{start}+@var{size}, @var{start}-@var{size} or +@var{start}..@var{end} where @var{start} @var{end} and @var{size} are the +addresses and sizes required. For example: +@example + -dfilter 0x8000..0x8fff,0xffffffc000080000+0x200,0xffffffc000060000-0x1000 +@end example +Will dump output for any code in the 0x1000 sized block starting at 0x8000 and +the 0x200 sized block starting at 0xffffffc000080000 and another 0x1000 sized +block starting at 0xffffffc00005f000. +ETEXI + DEF("L", HAS_ARG, QEMU_OPTION_L, \ "-L path set the directory for the BIOS, VGA BIOS and keymaps\n", QEMU_ARCH_ALL) diff --git a/tests/Makefile b/tests/Makefile index 60371ca008..d27e31d2b7 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -97,6 +97,8 @@ check-unit-y += tests/test-crypto-ivgen$(EXESUF) check-unit-y += tests/test-crypto-afsplit$(EXESUF) check-unit-y += tests/test-crypto-xts$(EXESUF) check-unit-y += tests/test-crypto-block$(EXESUF) +gcov-files-test-logging-y = tests/test-logging.c +check-unit-y += tests/test-logging$(EXESUF) check-block-$(CONFIG_POSIX) += tests/qemu-iotests-quick.sh @@ -436,6 +438,8 @@ tests/test-timed-average$(EXESUF): tests/test-timed-average.o qemu-timer.o \ tests/test-base64$(EXESUF): tests/test-base64.o \ libqemuutil.a libqemustub.a +tests/test-logging$(EXESUF): tests/test-logging.o $(test-util-obj-y) + tests/test-qapi-types.c tests/test-qapi-types.h :\ $(SRC_PATH)/tests/qapi-schema/qapi-schema-test.json $(SRC_PATH)/scripts/qapi-types.py $(qapi-py) $(call quiet-command,$(PYTHON) $(SRC_PATH)/scripts/qapi-types.py \ diff --git a/tests/test-logging.c b/tests/test-logging.c new file mode 100644 index 0000000000..193fa9213e --- /dev/null +++ b/tests/test-logging.c @@ -0,0 +1,107 @@ +/* + * logging unit-tests + * + * Copyright (C) 2016 Linaro Ltd. + * + * Author: Alex Bennée <alex.bennee@linaro.org> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + +#include "qemu/osdep.h" +#include <glib.h> + +#include "qemu-common.h" +#include "include/qemu/log.h" + +static void test_parse_range(void) +{ + qemu_set_dfilter_ranges("0x1000+0x100"); + + g_assert_false(qemu_log_in_addr_range(0xfff)); + g_assert(qemu_log_in_addr_range(0x1000)); + g_assert(qemu_log_in_addr_range(0x1001)); + g_assert(qemu_log_in_addr_range(0x10ff)); + g_assert_false(qemu_log_in_addr_range(0x1100)); + + qemu_set_dfilter_ranges("0x1000-0x100"); + + g_assert_false(qemu_log_in_addr_range(0x1001)); + g_assert(qemu_log_in_addr_range(0x1000)); + g_assert(qemu_log_in_addr_range(0x0f01)); + g_assert_false(qemu_log_in_addr_range(0x0f00)); + + qemu_set_dfilter_ranges("0x1000..0x1100"); + + g_assert_false(qemu_log_in_addr_range(0xfff)); + g_assert(qemu_log_in_addr_range(0x1000)); + g_assert(qemu_log_in_addr_range(0x1100)); + g_assert_false(qemu_log_in_addr_range(0x1101)); + + qemu_set_dfilter_ranges("0x1000..0x1000"); + + g_assert_false(qemu_log_in_addr_range(0xfff)); + g_assert(qemu_log_in_addr_range(0x1000)); + g_assert_false(qemu_log_in_addr_range(0x1001)); + + qemu_set_dfilter_ranges("0x1000+0x100,0x2100-0x100,0x3000..0x3100"); + g_assert(qemu_log_in_addr_range(0x1050)); + g_assert(qemu_log_in_addr_range(0x2050)); + g_assert(qemu_log_in_addr_range(0x3050)); +} + +#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS +static void test_parse_invalid_range_subprocess(void) +{ + qemu_set_dfilter_ranges("0x1000+onehundred"); +} +static void test_parse_invalid_range(void) +{ + g_test_trap_subprocess("/logging/parse_invalid_range/subprocess", 0, 0); + g_test_trap_assert_failed(); + g_test_trap_assert_stdout(""); + g_test_trap_assert_stderr("*Failed to parse range in: 0x1000+onehundred\n"); +} +static void test_parse_zero_range_subprocess(void) +{ + qemu_set_dfilter_ranges("0x1000+0"); +} +static void test_parse_zero_range(void) +{ + g_test_trap_subprocess("/logging/parse_zero_range/subprocess", 0, 0); + g_test_trap_assert_failed(); + g_test_trap_assert_stdout(""); + g_test_trap_assert_stderr("*Failed to parse range in: 0x1000+0\n"); +} +#endif + +int main(int argc, char **argv) +{ + g_test_init(&argc, &argv, NULL); + + g_test_add_func("/logging/parse_range", test_parse_range); +#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS + g_test_add_func("/logging/parse_invalid_range/subprocess", test_parse_invalid_range_subprocess); + g_test_add_func("/logging/parse_invalid_range", test_parse_invalid_range); + g_test_add_func("/logging/parse_zero_range/subprocess", test_parse_zero_range_subprocess); + g_test_add_func("/logging/parse_zero_range", test_parse_zero_range); +#endif + + return g_test_run(); +} diff --git a/util/log.c b/util/log.c index 4e69586a73..671b6174e4 100644 --- a/util/log.c +++ b/util/log.c @@ -20,12 +20,16 @@ #include "qemu/osdep.h" #include "qemu-common.h" #include "qemu/log.h" +#include "qemu/range.h" +#include "qemu/error-report.h" +#include "qemu/cutils.h" #include "trace/control.h" static char *logfilename; FILE *qemu_logfile; int qemu_loglevel; static int log_append = 0; +static GArray *debug_regions; void qemu_log(const char *fmt, ...) { @@ -94,6 +98,89 @@ void qemu_set_log_filename(const char *filename) qemu_set_log(qemu_loglevel); } +/* Returns true if addr is in our debug filter or no filter defined + */ +bool qemu_log_in_addr_range(uint64_t addr) +{ + if (debug_regions) { + int i = 0; + for (i = 0; i < debug_regions->len; i++) { + struct Range *range = &g_array_index(debug_regions, Range, i); + if (addr >= range->begin && addr <= range->end) { + return true; + } + } + return false; + } else { + return true; + } +} + + +void qemu_set_dfilter_ranges(const char *filter_spec) +{ + gchar **ranges = g_strsplit(filter_spec, ",", 0); + if (ranges) { + gchar **next = ranges; + gchar *r = *next++; + debug_regions = g_array_sized_new(FALSE, FALSE, + sizeof(Range), g_strv_length(ranges)); + while (r) { + char *range_op = strstr(r, "-"); + char *r2 = range_op ? range_op + 1 : NULL; + if (!range_op) { + range_op = strstr(r, "+"); + r2 = range_op ? range_op + 1 : NULL; + } + if (!range_op) { + range_op = strstr(r, ".."); + r2 = range_op ? range_op + 2 : NULL; + } + if (range_op) { + const char *e = NULL; + uint64_t r1val, r2val; + + if ((qemu_strtoull(r, &e, 0, &r1val) == 0) && + (qemu_strtoull(r2, NULL, 0, &r2val) == 0) && + r2val > 0) { + struct Range range; + + g_assert(e == range_op); + + switch (*range_op) { + case '+': + { + range.begin = r1val; + range.end = r1val + (r2val - 1); + break; + } + case '-': + { + range.end = r1val; + range.begin = r1val - (r2val - 1); + break; + } + case '.': + range.begin = r1val; + range.end = r2val; + break; + default: + g_assert_not_reached(); + } + g_array_append_val(debug_regions, range); + + } else { + g_error("Failed to parse range in: %s", r); + } + } else { + g_error("Bad range specifier in: %s", r); + } + r = *next++; + } + g_strfreev(ranges); + } +} + const QEMULogItem qemu_log_items[] = { { CPU_LOG_TB_OUT_ASM, "out_asm", "show generated host assembly code for each compiled TB" }, @@ -3355,6 +3355,9 @@ int main(int argc, char **argv, char **envp) case QEMU_OPTION_D: log_file = optarg; break; + case QEMU_OPTION_DFILTER: + qemu_set_dfilter_ranges(optarg); + break; case QEMU_OPTION_s: add_device_config(DEV_GDB, "tcp::" DEFAULT_GDBSTUB_PORT); break; |