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[83.59.160.93]) by smtp.gmail.com with ESMTPSA id e12sm7512548wro.52.2020.06.19.07.51.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jun 2020 07:51:03 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PATCH v3 0/4] hw/misc/pca9552: Trace LED On/Off events Date: Fri, 19 Jun 2020 16:50:57 +0200 Message-Id: <20200619145101.1637-1-f4bug@amsat.org> X-Mailer: git-send-email 2.21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::432; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x432.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: 0 X-Spam_score: 0.0 X-Spam_bar: / X-Spam_report: (0.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=1, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Andrew Jeffery , Joaquin de Andres , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Esteban Bosse , qemu-arm@nongnu.org, =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= , Joel Stanley Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This series add trace events to better display LEDs changes. This helps me to work on a generic LED device, see: https://www.mail-archive.com/qemu-devel@nongnu.org/msg711917.html Example when booting an obmc-phosphor-image, we can see the LED #14 (front-power LED) starting to blink. - ASCII LED bar view: $ qemu-system-arm -M witherspoon-bmc -trace pca9552_leds_status 19286@1592574170.202791:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [*...............] 19286@1592574170.203609:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [**..............] 19286@1592574170.204102:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [***.............] 19286@1592574170.204415:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****............] 19286@1592574170.204758:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****.........*..] 19286@1592574170.205070:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****.........**.] 19286@1592574170.205380:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****.........***] 19286@1592574235.384845:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****.........*.*] 19286@1592574235.894049:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****.........***] 19286@1592574236.404277:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****.........*.*] 19286@1592574236.914644:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****.........***] 19286@1592574237.424558:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****.........*.*] 19286@1592574237.934580:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****.........***] 19286@1592574238.444688:pca9552_leds_status 0x55dde47807c0 LEDs 0-15 [****.........*.*] - Only display LEDs which status changes: $ qemu-system-arm -M witherspoon-bmc -trace pca9552_led_change 23367@1592575218.896117:pca9552_led_change 0x557cb6896d80 LED id:0 status: 0 -> 1 23367@1592575218.897072:pca9552_led_change 0x557cb6896d80 LED id:1 status: 0 -> 1 23367@1592575218.897487:pca9552_led_change 0x557cb6896d80 LED id:2 status: 0 -> 1 23367@1592575218.897855:pca9552_led_change 0x557cb6896d80 LED id:3 status: 0 -> 1 23367@1592575218.898256:pca9552_led_change 0x557cb6896d80 LED id:13 status: 0 -> 1 23367@1592575218.898663:pca9552_led_change 0x557cb6896d80 LED id:14 status: 0 -> 1 23367@1592575218.899138:pca9552_led_change 0x557cb6896d80 LED id:15 status: 0 -> 1 23367@1592575281.593379:pca9552_led_change 0x557cb6896d80 LED id:14 status: 1 -> 0 23367@1592575282.102994:pca9552_led_change 0x557cb6896d80 LED id:14 status: 0 -> 1 23367@1592575282.613558:pca9552_led_change 0x557cb6896d80 LED id:14 status: 1 -> 0 23367@1592575283.122774:pca9552_led_change 0x557cb6896d80 LED id:14 status: 0 -> 1 For information about how to test the obmc-phosphor-image, see: https://www.mail-archive.com/qemu-devel@nongnu.org/msg712911.html Supersedes: <20200617064734.26956-1-f4bug@amsat.org> Philippe Mathieu-Daudé (4): hw/misc/pca9552: Replace magic value by PCA9552_LED_COUNT definition hw/misc/pca9552: Add a PCA955X_LED_MAX definition hw/misc/pca9552: Trace LED On/Off events hw/misc/pca9552: Trace LED change events include/hw/misc/pca9552.h | 2 ++ hw/misc/pca9552.c | 60 ++++++++++++++++++++++++++++++++++++++- hw/misc/trace-events | 4 +++ 3 files changed, 65 insertions(+), 1 deletion(-) -- 2.21.3