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-rw-r--r--libipt/test/src/ptunit-time.c399
1 files changed, 399 insertions, 0 deletions
diff --git a/libipt/test/src/ptunit-time.c b/libipt/test/src/ptunit-time.c
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+/*
+ * Copyright (c) 2014-2019, Intel Corporation
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * * Neither the name of Intel Corporation nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "pt_time.h"
+
+#include "intel-pt.h"
+
+#include "ptunit.h"
+
+
+/* A time unit test fixture. */
+
+struct time_fixture {
+ /* The configuration to use. */
+ struct pt_config config;
+
+ /* The calibration to use. */
+ struct pt_time_cal tcal;
+
+ /* The time struct to update. */
+ struct pt_time time;
+
+ /* The test fixture initialization and finalization functions. */
+ struct ptunit_result (*init)(struct time_fixture *);
+ struct ptunit_result (*fini)(struct time_fixture *);
+};
+
+static struct ptunit_result tfix_init(struct time_fixture *tfix)
+{
+ memset(&tfix->config, 0, sizeof(tfix->config));
+ tfix->config.size = sizeof(tfix->config);
+ tfix->config.cpuid_0x15_eax = 2;
+ tfix->config.cpuid_0x15_ebx = 1;
+ tfix->config.mtc_freq = 4;
+
+ pt_tcal_init(&tfix->tcal);
+ pt_tcal_set_fcr(&tfix->tcal, 0x2ull << pt_tcal_fcr_shr);
+
+ pt_time_init(&tfix->time);
+
+ return ptu_passed();
+}
+
+
+static struct ptunit_result tsc_null(struct time_fixture *tfix)
+{
+ struct pt_packet_tsc packet;
+ int errcode;
+
+ errcode = pt_time_update_tsc(NULL, &packet, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_time_update_tsc(&tfix->time, NULL, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result cbr_null(struct time_fixture *tfix)
+{
+ struct pt_packet_cbr packet;
+ int errcode;
+
+ errcode = pt_time_update_cbr(NULL, &packet, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_time_update_cbr(&tfix->time, NULL, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result tma_null(struct time_fixture *tfix)
+{
+ struct pt_packet_tma packet;
+ int errcode;
+
+ errcode = pt_time_update_tma(NULL, &packet, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_time_update_tma(&tfix->time, NULL, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_time_update_tma(&tfix->time, &packet, NULL);
+ ptu_int_eq(errcode, -pte_internal);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result mtc_null(struct time_fixture *tfix)
+{
+ struct pt_packet_mtc packet;
+ int errcode;
+
+ errcode = pt_time_update_mtc(NULL, &packet, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_time_update_mtc(&tfix->time, NULL, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_time_update_mtc(&tfix->time, &packet, NULL);
+ ptu_int_eq(errcode, -pte_internal);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result cyc_null(struct time_fixture *tfix)
+{
+ struct pt_packet_cyc packet;
+ int errcode;
+
+ errcode = pt_time_update_cyc(NULL, &packet, &tfix->config, 0ull);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_time_update_cyc(&tfix->time, NULL, &tfix->config, 0ull);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_time_update_cyc(&tfix->time, &packet, NULL, 0ull);
+ ptu_int_eq(errcode, -pte_internal);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result query_tsc_null(struct time_fixture *tfix)
+{
+ uint64_t tsc;
+ int errcode;
+
+ errcode = pt_time_query_tsc(NULL, NULL, NULL, &tfix->time);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_time_query_tsc(&tsc, NULL, NULL, NULL);
+ ptu_int_eq(errcode, -pte_internal);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result query_tsc_none(struct time_fixture *tfix)
+{
+ uint64_t tsc;
+ int errcode;
+
+ errcode = pt_time_query_tsc(&tsc, NULL, NULL, &tfix->time);
+ ptu_int_eq(errcode, -pte_no_time);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result query_cbr_null(struct time_fixture *tfix)
+{
+ uint32_t cbr;
+ int errcode;
+
+ errcode = pt_time_query_cbr(NULL, &tfix->time);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_time_query_cbr(&cbr, NULL);
+ ptu_int_eq(errcode, -pte_internal);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result query_cbr_none(struct time_fixture *tfix)
+{
+ uint32_t cbr;
+ int errcode;
+
+ errcode = pt_time_query_cbr(&cbr, &tfix->time);
+ ptu_int_eq(errcode, -pte_no_cbr);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result tcal_cbr_null(struct time_fixture *tfix)
+{
+ struct pt_packet_cbr packet;
+ int errcode;
+
+ errcode = pt_tcal_update_cbr(NULL, &packet, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result tcal_cbr_zero(struct time_fixture *tfix)
+{
+ struct pt_packet_cbr packet;
+ struct pt_config config;
+ int errcode;
+
+ config = tfix->config;
+ config.nom_freq = 1;
+ packet.ratio = 0;
+
+ errcode = pt_tcal_update_cbr(&tfix->tcal, &packet, &config);
+ ptu_int_eq(errcode, -pte_bad_packet);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result tcal_mtc_null(struct time_fixture *tfix)
+{
+ struct pt_packet_mtc packet;
+ int errcode;
+
+ errcode = pt_tcal_update_mtc(NULL, &packet, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_tcal_update_mtc(&tfix->tcal, NULL, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_tcal_update_mtc(&tfix->tcal, &packet, NULL);
+ ptu_int_eq(errcode, -pte_internal);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result tcal_cyc_null(struct time_fixture *tfix)
+{
+ struct pt_packet_cyc packet;
+ int errcode;
+
+ errcode = pt_tcal_update_cyc(NULL, &packet, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ errcode = pt_tcal_update_cyc(&tfix->tcal, NULL, &tfix->config);
+ ptu_int_eq(errcode, -pte_internal);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result tsc(struct time_fixture *tfix)
+{
+ struct pt_packet_tsc packet;
+ uint64_t tsc;
+ uint32_t lost_mtc, lost_cyc;
+ int errcode;
+
+ packet.tsc = 0xdedededeull;
+
+ errcode = pt_time_update_tsc(&tfix->time, &packet, &tfix->config);
+ ptu_int_eq(errcode, 0);
+
+ errcode = pt_time_query_tsc(&tsc, &lost_mtc, &lost_cyc, &tfix->time);
+ ptu_int_eq(errcode, 0);
+
+ ptu_uint_eq(tsc, 0xdedededeull);
+ ptu_uint_eq(lost_mtc, 0);
+ ptu_uint_eq(lost_cyc, 0);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result cbr(struct time_fixture *tfix)
+{
+ struct pt_packet_cbr packet;
+ uint32_t cbr;
+ int errcode;
+
+ packet.ratio = 0x38;
+
+ errcode = pt_time_update_cbr(&tfix->time, &packet, &tfix->config);
+ ptu_int_eq(errcode, 0);
+
+ errcode = pt_time_query_cbr(&cbr, &tfix->time);
+ ptu_int_eq(errcode, 0);
+
+ ptu_uint_eq(cbr, 0x38);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result cbr_zero(struct time_fixture *tfix)
+{
+ struct pt_packet_cbr packet;
+ int errcode;
+
+ packet.ratio = 0;
+
+ errcode = pt_time_update_cbr(&tfix->time, &packet, &tfix->config);
+ ptu_int_eq(errcode, -pte_bad_packet);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result tma(struct time_fixture *tfix)
+{
+ struct pt_packet_tma packet;
+ int errcode;
+
+ packet.ctc = 0xdc;
+ packet.fc = 0xf;
+
+ errcode = pt_time_update_tma(&tfix->time, &packet, &tfix->config);
+ ptu_int_eq(errcode, -pte_bad_context);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result mtc(struct time_fixture *tfix)
+{
+ struct pt_packet_mtc packet;
+ uint64_t tsc;
+ int errcode;
+
+ packet.ctc = 0xdc;
+
+ errcode = pt_time_update_mtc(&tfix->time, &packet, &tfix->config);
+ ptu_int_eq(errcode, 0);
+
+ errcode = pt_time_query_tsc(&tsc, NULL, NULL, &tfix->time);
+ ptu_int_eq(errcode, -pte_no_time);
+
+ return ptu_passed();
+}
+
+static struct ptunit_result cyc(struct time_fixture *tfix)
+{
+ struct pt_packet_cyc packet;
+ uint64_t fcr, tsc;
+ int errcode;
+
+ errcode = pt_tcal_fcr(&fcr, &tfix->tcal);
+ ptu_int_eq(errcode, 0);
+
+ packet.value = 0xdc;
+
+ errcode = pt_time_update_cyc(&tfix->time, &packet, &tfix->config, fcr);
+ ptu_int_eq(errcode, 0);
+
+ errcode = pt_time_query_tsc(&tsc, NULL, NULL, &tfix->time);
+ ptu_int_eq(errcode, -pte_no_time);
+
+ return ptu_passed();
+}
+
+
+int main(int argc, char **argv)
+{
+ struct ptunit_suite suite;
+ struct time_fixture tfix;
+
+ suite = ptunit_mk_suite(argc, argv);
+
+ tfix.init = tfix_init;
+ tfix.fini = NULL;
+
+ ptu_run_f(suite, tsc_null, tfix);
+ ptu_run_f(suite, cbr_null, tfix);
+ ptu_run_f(suite, tma_null, tfix);
+ ptu_run_f(suite, mtc_null, tfix);
+ ptu_run_f(suite, cyc_null, tfix);
+
+ ptu_run_f(suite, query_tsc_null, tfix);
+ ptu_run_f(suite, query_tsc_none, tfix);
+ ptu_run_f(suite, query_cbr_null, tfix);
+ ptu_run_f(suite, query_cbr_none, tfix);
+
+ ptu_run_f(suite, tcal_cbr_null, tfix);
+ ptu_run_f(suite, tcal_cbr_zero, tfix);
+ ptu_run_f(suite, tcal_mtc_null, tfix);
+ ptu_run_f(suite, tcal_cyc_null, tfix);
+
+ ptu_run_f(suite, tsc, tfix);
+ ptu_run_f(suite, cbr, tfix);
+ ptu_run_f(suite, cbr_zero, tfix);
+ ptu_run_f(suite, tma, tfix);
+ ptu_run_f(suite, mtc, tfix);
+ ptu_run_f(suite, cyc, tfix);
+
+ /* The bulk is covered in ptt tests. */
+
+ return ptunit_report(&suite);
+}