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GET /api/patches/1585743/?format=api
HTTP 200 OK
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{
    "id": 1585743,
    "url": "http://patchwork.ozlabs.org/api/patches/1585743/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20220128153009.2467560-19-peter.maydell@linaro.org/",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": "",
        "list_archive_url": "",
        "list_archive_url_format": "",
        "commit_url_format": ""
    },
    "msgid": "<20220128153009.2467560-19-peter.maydell@linaro.org>",
    "list_archive_url": null,
    "date": "2022-01-28T15:29:55",
    "name": "[PULL,18/32] hw/intc/arm_gicv3_its: Add tracepoints",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "51395e0728e64882efa4f030a7ce4c25b7a2b211",
    "submitter": {
        "id": 5111,
        "url": "http://patchwork.ozlabs.org/api/people/5111/?format=api",
        "name": "Peter Maydell",
        "email": "peter.maydell@linaro.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20220128153009.2467560-19-peter.maydell@linaro.org/mbox/",
    "series": [
        {
            "id": 283405,
            "url": "http://patchwork.ozlabs.org/api/series/283405/?format=api",
            "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=283405",
            "date": "2022-01-28T15:29:53",
            "name": "[PULL,01/32] Update copyright dates to 2022",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/283405/mbox/"
        }
    ],
    "comments": "http://patchwork.ozlabs.org/api/patches/1585743/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/1585743/checks/",
    "tags": {},
    "related": [],
    "headers": {
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        "From": "Peter Maydell <peter.maydell@linaro.org>",
        "To": "qemu-devel@nongnu.org",
        "Subject": "[PULL 18/32] hw/intc/arm_gicv3_its: Add tracepoints",
        "Date": "Fri, 28 Jan 2022 15:29:55 +0000",
        "Message-Id": "<20220128153009.2467560-19-peter.maydell@linaro.org>",
        "X-Mailer": "git-send-email 2.25.1",
        "In-Reply-To": "<20220128153009.2467560-1-peter.maydell@linaro.org>",
        "References": "<20220128153009.2467560-1-peter.maydell@linaro.org>",
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    },
    "content": "The ITS currently has no tracepoints; add a minimal set\nthat allows basic monitoring of guest register accesses and\nreading of commands from the command queue.\n\nSigned-off-by: Peter Maydell <peter.maydell@linaro.org>\nReviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>\nReviewed-by: Richard Henderson <richard.henderson@linaro.org>\nMessage-id: 20220122182444.724087-3-peter.maydell@linaro.org\n---\n hw/intc/arm_gicv3_its.c | 11 +++++++++++\n hw/intc/trace-events    |  8 ++++++++\n 2 files changed, 19 insertions(+)",
    "diff": "diff --git a/hw/intc/arm_gicv3_its.c b/hw/intc/arm_gicv3_its.c\nindex b2f6a8c7f00..6d2549e64b1 100644\n--- a/hw/intc/arm_gicv3_its.c\n+++ b/hw/intc/arm_gicv3_its.c\n@@ -13,6 +13,7 @@\n \n #include \"qemu/osdep.h\"\n #include \"qemu/log.h\"\n+#include \"trace.h\"\n #include \"hw/qdev-properties.h\"\n #include \"hw/intc/arm_gicv3_its_common.h\"\n #include \"gicv3_internal.h\"\n@@ -634,6 +635,8 @@ static void process_cmdq(GICv3ITSState *s)\n \n         cmd = (data & CMD_MASK);\n \n+        trace_gicv3_its_process_command(rd_offset, cmd);\n+\n         switch (cmd) {\n         case GITS_CMD_INT:\n             result = process_its_cmd(s, data, cq_offset, INTERRUPT);\n@@ -818,6 +821,8 @@ static MemTxResult gicv3_its_translation_write(void *opaque, hwaddr offset,\n     bool result = true;\n     uint32_t devid = 0;\n \n+    trace_gicv3_its_translation_write(offset, data, size, attrs.requester_id);\n+\n     switch (offset) {\n     case GITS_TRANSLATER:\n         if (s->ctlr & R_GITS_CTLR_ENABLED_MASK) {\n@@ -1107,6 +1112,7 @@ static MemTxResult gicv3_its_read(void *opaque, hwaddr offset, uint64_t *data,\n         qemu_log_mask(LOG_GUEST_ERROR,\n                       \"%s: invalid guest read at offset \" TARGET_FMT_plx\n                       \"size %u\\n\", __func__, offset, size);\n+        trace_gicv3_its_badread(offset, size);\n         /*\n          * The spec requires that reserved registers are RAZ/WI;\n          * so use false returns from leaf functions as a way to\n@@ -1114,6 +1120,8 @@ static MemTxResult gicv3_its_read(void *opaque, hwaddr offset, uint64_t *data,\n          * the caller, or we'll cause a spurious guest data abort.\n          */\n         *data = 0;\n+    } else {\n+        trace_gicv3_its_read(offset, *data, size);\n     }\n     return MEMTX_OK;\n }\n@@ -1140,12 +1148,15 @@ static MemTxResult gicv3_its_write(void *opaque, hwaddr offset, uint64_t data,\n         qemu_log_mask(LOG_GUEST_ERROR,\n                       \"%s: invalid guest write at offset \" TARGET_FMT_plx\n                       \"size %u\\n\", __func__, offset, size);\n+        trace_gicv3_its_badwrite(offset, data, size);\n         /*\n          * The spec requires that reserved registers are RAZ/WI;\n          * so use false returns from leaf functions as a way to\n          * trigger the guest-error logging but don't return it to\n          * the caller, or we'll cause a spurious guest data abort.\n          */\n+    } else {\n+        trace_gicv3_its_write(offset, data, size);\n     }\n     return MEMTX_OK;\n }\ndiff --git a/hw/intc/trace-events b/hw/intc/trace-events\nindex 9aba7e3a7a4..b28cda4e08e 100644\n--- a/hw/intc/trace-events\n+++ b/hw/intc/trace-events\n@@ -169,6 +169,14 @@ gicv3_redist_badwrite(uint32_t cpu, uint64_t offset, uint64_t data, unsigned siz\n gicv3_redist_set_irq(uint32_t cpu, int irq, int level) \"GICv3 redistributor 0x%x interrupt %d level changed to %d\"\n gicv3_redist_send_sgi(uint32_t cpu, int irq) \"GICv3 redistributor 0x%x pending SGI %d\"\n \n+# arm_gicv3_its.c\n+gicv3_its_read(uint64_t offset, uint64_t data, unsigned size) \"GICv3 ITS read: offset 0x%\" PRIx64 \" data 0x%\" PRIx64 \" size %u\"\n+gicv3_its_badread(uint64_t offset, unsigned size) \"GICv3 ITS read: offset 0x%\" PRIx64 \" size %u: error\"\n+gicv3_its_write(uint64_t offset, uint64_t data, unsigned size) \"GICv3 ITS write: offset 0x%\" PRIx64 \" data 0x%\" PRIx64 \" size %u\"\n+gicv3_its_badwrite(uint64_t offset, uint64_t data, unsigned size) \"GICv3 ITS write: offset 0x%\" PRIx64 \" data 0x%\" PRIx64 \" size %u: error\"\n+gicv3_its_translation_write(uint64_t offset, uint64_t data, unsigned size, uint32_t requester_id) \"GICv3 ITS TRANSLATER write: offset 0x%\" PRIx64 \" data 0x%\" PRIx64 \" size %u requester_id 0x%x\"\n+gicv3_its_process_command(uint32_t rd_offset, uint8_t cmd) \"GICv3 ITS: processing command at offset 0x%x: 0x%x\"\n+\n # armv7m_nvic.c\n nvic_recompute_state(int vectpending, int vectpending_prio, int exception_prio) \"NVIC state recomputed: vectpending %d vectpending_prio %d exception_prio %d\"\n nvic_recompute_state_secure(int vectpending, bool vectpending_is_s_banked, int vectpending_prio, int exception_prio) \"NVIC state recomputed: vectpending %d is_s_banked %d vectpending_prio %d exception_prio %d\"\n",
    "prefixes": [
        "PULL",
        "18/32"
    ]
}